《试卷3份集锦》江西省赣州市中考化学五模考试卷含解析

《《试卷3份集锦》江西省赣州市中考化学五模考试卷含解析》由会员上传分享，免费在线阅读，更多相关内容在教育资源-天天文库。

ὃᓄᔁ᪆᱐
⚗1.⚪ὃᐜḄஹὃᑏᩩṹ!"ᙠὃ$%ᩩṹ!"&஺2.⌱*⚪+,-ᵨ2B01234⌱*⚪+,-ᵨ0.5789⁐;<Ḅ=;1>ᑏ;?@᦮ஹ1<஺3.Cᢥ᯿⚪FGᙠᔜ⚪IḄ⚪&JᑁLMN⚪&J>ᑏḄᫀPᦔ3ᙠ₝STஹU⚪ᔁW⚪Pᦔ஺4.Yᢝᓱ☢]^⌕ᢚa^⌕bẚஹbd^-ᵨ2ᦋfஹghiஹjTᑐ஺ஹᓫ⌱⚪1.“ᜧ”ᱥᵨ“”⏚!"#$%ᩭᙠ()*+ᐶ-Ḅ(/01஺3ᐸᵨḄ5ᑡ7(89:জ<=)ᱥᐝᔠᵨ;ঝBᜩᨵE3ᱥ“■G”Hঞᨵᑭ3ᦋLMឋOP"Q⁚pH;টTUVOPḄCa"ஹMg"W)ᱥᔾᦈ஺ᐸZ[Ḅ#tuA.জ®ঞB.ঝ®টC.জঞটD.ᐰ]᪆:Dூ᪆௃জ`a⏚bcdᑖafgᓄh"fgᓄi⍎k"fgᓄlmaᐝᔠᵨḄnᧇ"ᦑT<=ᐝᔠᵨVq"Z[Hঝ`a⏚bcdᑖafgᓄh"fgᓄrstᜧuᡂwxᦔz"ᦑᨵE3ᱥ“■G”"Z[Hঞ⏚{⏚ឋ"T|Q⁚OPḄ⏚Mឋ"ᑭ3)ᱥ*}"Z[Hট⏚!~ᵯkh⏚᪷"VT|uᡂ⏚┛h⏚╅")ᱥ⌕|uᔾᦈᐗ"Z[஺ᦑ⌱D஺2.⏚#(Ḅ⏚"ᐸᓄaCsHQN,ᑖ#89.5ᑡ1Z[Ḅ#A.⏚3ᓄᔠᱥB.⏚ஹᐗḄa31C.⏚ᓄx=7D.⏚ᑖᨵgᑖ᪆:Cூ᪆௃Aஹ⏚#(ᨵᐗḄᓄᔠᱥ"ᨵᱥ"┯¢HBஹ⏚ஹᐗḄ=12x3:14=18:7,┯¢HCஹ⏚Ḅᑖ=12x3+x+16x2+14=89,x=7,Z[HDஹ⏚ᑖ#ᵫnஹnஹgnhn᪀ᡂḄ"┯¢஺ᦑ⌱C஺3.¥¦§ᱥXᙠ¨©ᐰª«"¬zḄᓄ0a:X+2Q®ª__CO,+2HC5ᑡᐵ3XḄ1Z[Ḅ#tuA.Xᵫஹஹg±(ᐗ²ᡂ

1B.XḄᑖa10C.XஹᐗḄa14D.X3ᨵᓄᔠᱥ᪆:Dூ
᪆௃⚪ᑖ᪆:ᵫX+2O2CO2+2H2OT³,µ¶4gnH·¶4gn"1n"4nH᪷¸ᐗ¹ឤ"»¶Ḅn(¼hᦪz¾¿"ᡠ|µ¶ÁÂÃ1Ch4H,ÄÅXḄᓄÆ#CH,஺AஹXḄᓄÆ#CH4,ᵫஹ»(ᐗ²ᡂ"┯¢HBஹXḄᓄÆ#CH4,ᑖa12+1X4=16,┯¢HCஹXḄᓄÆ#CH,,ஹᐗḄa12(1X4)=31,┯¢HDஹCH,#Ḅᓄᔠᱥ"3ᨵᓄᔠᱥ"Z[஺ὃ®:ὃǹឤÈÉᙠᓄ¬zḄzᵨḄ³Ê஺4.ᙠÈᩩÌ5"wÍ5ḄTÎÏÐᡂÑ"ÒÓ“cÑ”"5ᑡ1Z[Ḅ#A.“cÑ”#¦§ᱥB.“cÑ”ᙠÔÕᩩÌ5mÖ~×ᓄC.“cÑ”lḄᓄឋÖØD.Ðᡂ“cÑ”Ù"ᑖÚÛÜÝ᪆:Aூ
᪆௃AஹcÑḄÞ#z¦§ᱥ"ᦑß⌱⚗Z[.Bஹᱥmᨵ±᝱âᓄ"cÑãÖä᜜"ᦑß⌱⚗┯¢.CஹcÑlØ(ᱥ"ᦑᓄឋØ"ᦑß⌱⚗┯¢.DஹᑖæçÖÚḄÜÝ"cÑãÖä᜜"ᦑß⌱⚗┯¢.ᦑ⌱A5.ᑖ¼1#ᓄèhẆêḄë⌕01ì"5ᑡᑖ¼ÖZ[Ḅ#()A.ï:¦Mஹðñᡭஹó⏚ôB.ᔠõ:*öஹ☘øஹùôC.úᔠᱥ:ûஹüýஹ¨D.þõᐗ:ÿ(Hg)ஹ
(F)ஹấ(Si)᪆Dூ
᪆௃Aஹᵯ⏚᪷Ḅᓄᔠᱥஹᡭஹ⏚!Bஹᔠᙠ#$%ᰚᔠ'(ᡈ*+ᡂḄᱥ-஺/0ஹ☘2ஹ3ᔠ!Cஹ4ᔠᱥᨬ6ᵫ89ᱥ-:ᡂ஺;<=ஹ>?ஹ@A4ᔠᱥ!DஹᐗCDEFᨵ“I”KL(N◀᜜)┯S஺ᦑ⌱D஺VWᐗCDEFᨵ“I”KL(N◀᜜)ᐸYZ*ᐗC!ᵯ⏚᪷Ḅᓄᔠᱥ!4ᔠᱥᨬ6ᵫ89ᱥ-:ᡂḄᱥ-஺

26.ᑡh᧜ᓄᐵḄ硝铜质分'------ᙠḄ⏚¡¢⏚£Ḅ¤ᔠ¦f§¨ᐭª«¬ᵨ®—°±²⌕ᡂᑖAl(OH)¸¹ᶭ®⏚»¼®fpHḄ½¾3溶液中铜元素C的质ᔣÀᨵÂᓄ£«ÃḄÄŧ^ƨᐭÇÈ⏚¬量.'g\⏚Ḅ-]g固体中二氧化D镜的应量¨ÉÊ⏚Ë¢ÌÂᓄ═Î?¤ᔠᱥ分数¼ÐÑÒ᪆CூÒ᪆௃᪷×ᡠÙÚÛ¢⚪§$%ÚAஹᙠḄ⏚¡¢⏚£Ḅ¤ᔠ¦f§¨ᐭª«¬ªÜ£ÝޣܡÝÞªß⏚¡¦fᡂ⏚ઢ¡ªß⏚£¦fᡂ⏚ઢ£⏚£ḄáᑖᦪᨬäåæᦑA┯é3B,ᵨ®—°±²⌕ᡂᑖAl(0H)¸¹ᶭ®⏚»¼®fpH3Ḅ½¾êÂᓄëßì⏚ᡂÊᓄë¢íêÂᓄëîïÎ?pHð^ñM7,ᦑB┯é3CஹᔣÀᨵÂᓄ£«ÃḄÄŧ^ƨᐭÇÈ⏚¬Âᓄ£ßÇÈ⏚ᡂÈ⏚£¢í¦f§£ᐗóḄáᐜô¨äõðᦑCh3Dஹ¨ÉÊ⏚Ë¢ÌÂᓄöÎ?¤ᔠᱥÌÂᓄ═Ê⏚ËᑖÒḄ÷ᓄᑺÊ⏚ËᑖÒåÊᓄË¢ÂùÎ?§ÌÂᓄ═Ḅáᑖᦪᐜô¨äõðᦑD┯é஺úûªÜ£ÝޣܡÝÞªß⏚¡¦fᡂ⏚ઢ¡ªß⏚£¦fᡂ⏚ઢ£஺ÌÂᓄ═Ê⏚ËᑖÒḄ÷ᓄᑺ஺

37.^_`Ḅ“84abc”Ḅd⌕ᡂᑖgh⏚i(NaClO),gh⏚i#hᐗCḄᓄᔠjZA.+5B.+1C.+3D.-1᪆Bூ᪆௃ூᑖ᪆௃ூm௃᪷n“ᙠᓄᔠᱥ#oᓄᔠjḄpᦪZr”ḄsᑣuviᐗCḄᓄᔠjZ+1j0ḄᓄᔠjZ-2jwhᐗCḄᓄᔠjZx,ᑣ(+1)+x+(-2)=0,xx=+Lᦑ⌱B஺8.yᑡ{|ᐵ~ᔠᳮḄ()气体的质里EpH|D.ᔣpH=9ḄNaOHc#$=-----°$=Ḅ᪆Aூ᪆௃ḄᓄicᑖZ⏚i$⏚⏚✌ᐜᓄiᓄiaὑ⏚i/AᦑA!$ᐭ]Ḅ\⏚#/AḄ-]¡$¢ᑮB┯!ᵯ=/ḄAAḄ¤21,¥-]¤C┯!ᔣpH=9Ḅc#$=cḄpH¦§¨©7,ª7,D┯.

49.3.0g'ᱥ-ᐰ®¯/ᡂ4.4gC()2L8g=.ᑣ°ᱥ-±ᐵᑨḄ()A.°ᱥ-³´ஹᐗCB.°ᱥ-Dµ´ᨵஹᐗC¶·´ᨵᐗCC.°ᱥ-ᵫஹஹᐗC:ᡂD.°ᱥ-ᑖ#ssḄ¸ᦪ¤Z11᪆:Cூ᪆௃4.4gC0z#´ᨵᐗCḄ-]Z4.4gX2X100ºL2g,1.8g=#´ᨵᐗCḄ-]Z441.8gXgX100%=0.2g,/ᡂᱥ4.4g»ᓄ1.8g=ᡠ´ஹᐗCḄ-]18=1.2g+0.2g=l.4g,1.4g<3g,°ᱥ-#´ᐗCḄ-]Z3g-1.4g=1.6g,ᑣ°ᱥ-#Dµ´ᨵஹஹ½9ᐗC.Aஹᵫ¾¿ᑖ᪆¶v°ᱥ-#Dµ´ᨵஹஹ½9ᐗCᦑ⌱⚗ÁÂ┯S.Bஹᵫ¾¿ᑖ᪆¶v°ᱥ-#Dµ´ᨵஹஹ½9ᐗCᦑ⌱⚗ÁÂ┯S.Cஹᵫ¾¿ᑖ᪆¶v°ᱥ-#Dµ´ᨵஹஹ½9ᐗCᦑ⌱⚗ÁÂ.ᐗCḄ-]¤ᑣ°ᱥ-ᑖ#ssḄ¸ᦪ¤ZÅ"■:Dஹ᪷nᓄᔠᱥsḄ¸ᦪ¤=±s-]¤'12È=12,ᦑ⌱⚗ÁÂ┯S.ᦑ⌱C.10.yᑡᓄÉᵨËḄ()A.NᐗCAgB.0Fe2+C.ÌᑖNHD.ᓄA1O3᪆Cூ᪆௃AஹÍᑏᐗCÏÐÈD¸KÑ⌕ᜧᑏÈ»¸KÑ⌕ᑏ!NᐗCHgAgÓᐗC!┯S!BஹÔ¾ÕḄᦪK⊤×D¸ᡠFḄᵯ₹ᦪ0Fe"Fe"Ù0┯S!CஹÌᑖᵫD¸Ús½¸s᪀ᡂᡠÜ⊤×ZNH3,!Dஹᓄ#ᐗCZ+3j¥ᐗCZ-2jᡠܶÜ᪷nᓄᔠᱥ#ᓄᔠjḄpᦪZrÍᑏxᓄÉÝZAU),,A10┯S஺ᦑ⌱C஺11.Þßàᙠ¶ᱥáâᩞᧇ#å$æᑺÜ■éêë஺Mg(OH)2D9àìḄæᑺᙠ380࠷ᑖᡂ=íAὊïðḄMgO,ñᔾᦈᜧ]Ḅ%஺yᑡÁÂ┯SḄ()A.Mg(OH)zᑖᔾ%·ôõ¶ᱥḄḼêVB.Mg(OH)zᑖᔾ%·ôõ¶ᱥḄð÷C.Mg(OH)2ᑖḄᱥ·ø¶ᱥA◞úD.MgC03¤CaCO3᧕ᑖü¶ýæᑺ᪆A

5ூ᪆௃ூᑖ᪆௃þ⚪ὃ
ḄḄᳮḄᳮ◀ᱥᡈᱥᐸᱥ◞◞ᡈᑮᱥḄḼ#$%஺ூ()௃AஹḼ#ᱥ,Ḅ-ᨵḄ/ឋ12ᦋ4Ḅ56ᦋ4ᱥḄᦑA┯9:BஹMg(OH)zᑖ)ᔾ=6>ᱥḄᑮᱥḄḼ#$%ᦑB?@:CஹMg(0H)2ᑖ)ḄAᱥBCὊEḄMgO,$◞ᡈᦑC?@:DஹF⏚╅F⏚┛J1ᐹᨵឋL=J2ᑖ)MNᓄFJPQᑺᦑD?@஺ᦑ⌱A12.TᓄUTVᜧXYᱥᑭᵨ\]^Ḅ_`abᐸ᣸d஺eᔠghijkᑖ᪆%ᑡen?@Ḅ()O-strᓄᑺr■TtvUt_`w_`xA._`wxᔜᐗ{Ḅᓄᔠ|ᙳ14B._`~ᑮḄUᓄᔠᱥᨵ3VC._`Ḅ]^TᓄUḄᑖtᦪ23D._`Ḅ]^ᡂBḄ,1718)᪆Cூ)᪆௃ூ()௃Aஹhghijk~Ḅ_`ᱥḄᑖt▬3NO,ᡂᱥḄᑖtN?H£,᪷,ឤ_rᓄᑺ`Ḅ4NH+6N0=-----5N+6H0O_`wUᐗ{ᵫᓄᔠᱥ4ᡂᓫ,ᓽᵫ-3ஹ+24ᡂ0,ᓄᔠ322|ᦋ4ᦑ┯9:Bஹ_`ᱥ~Uᐗ{Ḅᓄᔠᱥᑖ▬NOVᦑ┯9:Cஹ᪷_`Ḅ]^TᓄUḄᑖtᦪ46=23,ᦑ?@:Dஹ᪷_`Ḅ]^ᡂBḄ,[4X(14+3)][6X(2+16)]=1727,ᦑ┯9஺ᦑ⌱C஺13.᝞kᡠiḄT¡¢ᵨ£Ẇ¥¦ᩩ¨஺%ᑡ~?@Ḅ

6A.©¡¢¦ª~Ḅ=B5«¬EḄPᵨB.k1~B%®¯¦ᵫ£°ᨵ±²C.k1¡¢16³®´®ḄḼ#E>D.µ¶k2~®ᣚᡂ´®¸6hᑮ¦¹º)᪆Bூ)᪆௃»⚪ᑖ᪆¦½¾ᐹᜓÀᩩ¨Tᨵᱥ:N⌕ÂᑮᱥḄḼ#:Àᱥ⌕±²ᙠÄÅÆ¥¡¢ÇÈ᪷ÉÀᩩ¨ᩭÄÅ஺ᙠ©¡¢~ᡃÌᵨ=BÍ®´®¬Î=6Âᑮ®Ḅ#ÏÂ1ᑮ´®Ḅ#ÐÏÑᑮ¦ÇḄPᵨ.ᙠk~ÓᱏÕḄ®B~Ḅ®PÖ᯿ØJÂᑮḼ#ǵ°ᨵᱥ¸16¦ᡠ$ᙠk2~ÍB~Ḅ®Ùᐭ®¦.ÓᱏÕḄ´®1¦Ø°ᨵÂᑮ´®ḄḼ#ÐÏÑM¦Ç½¾ÂᑮᱥḄḼ#ᦑ⌱B஺ὃ#ὃ
¦Ḅᩩ¨ᳮÆ¥14.ÛÜÝ~Ḅ%ᑡÞTᨵᓄß4ᓄḄA.ᵨàáâᔠẚäåæB.ᵨçèᑴêëìíC.ᵨîïᳫñ◀ᮤᐹXóD.ᵨôõö⊟øõX)᪆Bூ
᪆௃Aஹᵨàáâᔠẚäåæ°ᨵùᱥ,Ḅᡂᱥᳮ4ᓄ┯9:BஹᵨçèᑴêëìíçìíëF⏚┛_`Ḅúᓄß4ᓄ?@;Cஹᵨîïᳫñ◀ᮤᐹXü°ᨵùᱥ,Ḅᡂᱥᳮ4ᓄ┯9:Dஹᵨôõö⊟øõXᑭᵨôõḄý)þ6ᱥᳮ4ᓄ┯9஺ᦑ⌱B஺ᓰ15.ᙠ2H2S+3"+'A2so0Ḅ,ᓄᔠᓄḄᐗ()A.S,0B.ᨵSC.ᨵ0D.H,S,0᪆Aூ
᪆௃ூ
௃ᐗ+1HzSᐗḄᓄᔠx,᪷ᙠᓄᔠᱥ"#ᓄᔠ$ᦪ&'()*(+1)

7X2+x=0,ᑣx=-2,-ᐗ-2SO?ᐗḄᓄᔠy,᪷ᙠᓄᔠᱥ"#ᓄᔠ$ᦪ&'()*y+/-20X2=0,ᑣy=+4,ᐗḄᓄᔠᵫ-2'+4,᪷ᓫ0ᐗḄᓄᔠ'0,Oz12ᓫ0ᦑ-ᐗḄᓄᔠ'0;ᡂᱥ5-ᓄஹ7-ᐗ-2-ᐗḄᓄᔠᵫ஺'-2,ᦑᙠ9:ᓄᔠᓄḄᐗSஹ0ᦑ⌱A஺ூ=>௃@⚪BCDᜧFGᑭᵨᓄᔠḄJᑣKᓫ0ᐗḄᓄᔠ'0ஹᙠᓄᔠᱥ"#ᓄᔠ$ᦪ&'(LMNᢣPᐗḄᓄᔠḄQRᓽ)"TU@⚪஺5ஹVW⚪16.ᵬஹYஹZ[ᓄ\]^Ḅ_`ᱥ0ᵬஹY'a`ᓄᔠᱥbcᨵdeḄᐗZ'fgᓫ0hijklḄᩈᩩopqrsᨵ᝞uḄvᓄᐵxKᩩy&zᑖᱥ|ᶍ~“►”⊤ᱥ0sᙠvᓄᐵxLU2^4-5/10Yᱥ0ḄO/20ᑏᵬY+ZḄᓄ\Qo᪆/107/202H2஺+஺21ூ᪆௃⚪ᑖ᪆ᵫZ'ᓫ0hijklḄᩈᩩoZ'-fஹY'7ஹᵬᱥ0'-ᓄ,ᦑ/10Yᱥ0Ḅ'7ᵬᱥ0vᓄ'Y&ZḄᓄ\Q'2H2O2w2H2஺+0fo2ὃ=ᱥ0Ḅ17.|ᵬஹYᑖ⏚&-ᓄḄ`.u⊤ᔣ¡ᨵ10mL¢ḄᵬKᐸ¤ᨵ¥¦§⁐©ªᑺL¬ᐭY®pHḄᓄ¯°.ᑖ᪆¯°U±⚪/10ᵬ,¤ᨵ¥¦§⁐©ªᑺᵬᕈ____⁐./20´¬ᐭYḄgµ'mL®ᵬஹYា·¸ᐰ./30´ḄpH=1.4®Ḅ0Kᢣᑺ◀᜜L.᪆-ᓄ¼9NaCl,HC1

8ூ᪆௃ூ½௃(1)᪷u¾)¿ÀÁ®ḄpHᜧ27,ᦑᵬ'-ᓄhi©ª¼ᡠ¿@⚪Uᫀ'-ᓄ¼,(2)-ᓄhÅ⏚ᡂÆᓄ&7ÆᓄḄ7ᕈឋpHÈ27,᪷u¾)¿À¬ᐭ⏚Ḅ¦'9mL®ᕈឋា·¸ᐰᡠ¿@⚪Uᫀ'9(3)ḄpH=1.4®ᕈ⏚ឋcᨵ0Æᓄ&ᡂÆᓄᡠ¿@⚪Uᫀ'NaCl,HC1.18.ÉÊᡃÌÍÎÏᕡÑÒᑴÔÉÊḄQRᨵÕ``ᑴÔcÖÉÊḄQR×ØÊÙᙠÚÛÜÝÚÛᵫ7ஹÑஹ-ᓄஹ¥¦⏚ÖÈᱥ0Þᑴßᡂ஺(1)०ÚÛ2á¤ᐭâ⁐ãÞ:äᑣÚÛḄpH7(Vஹ“>”ᡈ“=”)O(2)ᙠ(1)Ḅ᤬¦¢⏚ä⁐è~Ḅᓄ\Q'(3)ᙠ(2)ᡠ*Ḅ¬ᐭ`éêëì)h(Víî)஺A.BaClB.CuS0C.AgNOD.KNO2433᪆>2NaOH+H£O-NazSCVZHzOACூ᪆௃ூ½௃(1)ᨵïឋðhiãᲩäïឋḄPH>7(2)ᙠ(1)Ḅ᤬¦¢⏚ä⁐è~&ᓽ⏚Å-ᓄᡂ⏚&7,(3)(2)ᡠ*ḄcᨵḄᱥ0ᨵ7ஹÆᓄஹ⏚&⏚Ö஺᪷ᱥ0sḄ)¬ᐭḄ)hÆᓄòᡈó⏚ô஺19.ᓄ\ÅõqöḄ⊟ஹÑஹøஹùᨵḼûᑗḄὶx஺(1)ᑴÔ⊟þḄᩞᜧᑖᜩᯠᔠᡂᑡ⊟ᔠᡂᩞᧇᑴḄ(!)A#$%B&'()C*+TឰD⇷./0(2)ᐗ2⁚ᔛ56ᾙ✁9ᙊᡃ<ᓭ>Ḅ?@AB஺D⃩Fᙳ⊝ḄIJKL⚶ᔛ56ᾙ✁9ᙊNOP⊡ᐙḄ⃩Fᱥᨵ஺AUVBWXC☢ᒹD[\]^᪆`BBூ^᪆௃ூc^௃

9(1)A#$%ᵫ#$eᡂḄ#$ᜩᯠfgh⌱⚗klᔠ⚪noB&'⊟ᵫ&'eᡂḄ&'ᔠᡂfgh⌱⚗lᔠ⚪noC*+Tឰᵫ+peᡂḄ+pᜩᯠfgh⌱⚗klᔠ⚪n`D⇷./0ᵫ⇷.eᡂḄ⇷.ᜩᯠfgh⌱⚗klᔠ⚪n஺ᦑ⌱B஺(2)56ᾙ✁9ᙊrsᨵtஹVvஹwᾦஹyz{D⃩Fᙳ⊝ḄIJKL⚶ᔛ56ᾙ✁9ᙊNOP⊡ᐙḄ⃩F|g}|~Xஹrsg}|ᦑ⌱B஺20.——Ḅ☢ᜧḄ`“Ꮇ᝞ᐕḄᡂ¡¢-----ᑗ¥¦§ᵫ᪀ᡂ”஺ᙠ«¬ᱥᵫ®᪀ᡂḄᔊ°±rᐙ²³´᠗஺(1)1803¶·¸ᓄº᱄¼<⍝¾¿(DaltonJ)ᙠÀẆÂḄÃẠÅÆÇ“⍝¾¿È”`ᑗᱥ§ᵫ᪀ᡂÉÊஹᕈᙊᳫÍஹkÎᑖ……ÐᵫÑÒNÓÔᩩÖ▲ᑴ⍝¾¿yØᵨ\ÓÚÛÜÝḄÞß஺1811¶nᜧᑭᓄáâãäåÆÇ`ᨵæᱥçᵫᑖ᪀ᡂḄÃèéêëᑖ஺1897¶9ìíîïÓÔðñ³,óôðõ³ஹᑖÈ஺9ìíö⌕øù³“⍝¾¿È”rḄÞß஺1911¶ᓲûüýîïÓÔþÿ
ᵫ_________᪀ᡂᵨḄ
᪀ᳮ஺(2)⍝Ḅ
Ḅ!Ḅ"ᱥ$%&'()ᙠ+,-⌼/Ḅ0ᵨ஺ᙠ+,Ẇ2/3456'ᓲ89:᪵.=>)?@ABḄCDEF—஺
HIJKஹ᥎ḼḄOPQRSTUᳮA
Ḅ᪀:VW+,XYZᵨᩭ⊤]^UḄᳮᡂ_஺A᪆aᵯ

deᑖ
᪶'᪶᜜ᵯ
iᳮjkூ
᪆௃(1)456lC>mᵯ
஺456n⌕pq“⍝
”/
deᑖḄtu஺ᓲ89lC>iv
ᵫ
᪶'᪶᜜ᵯ
᪀ᡂḄ஺(2)ᙠ+,Ẇ2/3456'ᓲ89:᪵=>)?@ABḄCDEFiᳮ஺
HIJKஹ᥎ḼḄOPQRSTUᳮA
Ḅ᪀:VW+,XYZᵨjkᩭ⊤]^UḄᳮᡂ_஺Vஹiw⚪21.AஹBஹCQy/ᓄ,{KḄᱥ|}Y~ᨵHIᐗUḄᐵ᝞ᡠ(H⊤HḄᓄ)a[ZHEZHZl(1)AஹBᡂᐗB~CᦔᒓᑏHᔠB-CḄᓄ,¢D£(2)BQ¤¥ᨬ§Ḅ¨$AஹCḄᓄ,£d©(ª«¬)

10জHC1ஹH0ঝH2sO4ஹNaOHঞH2O2ஹHCO223"3#AஹBஹCᦾ®ḄᓄᔠᱥBᦋ°⏚ឋ³´ḄµB-Cm¶/'ᑣAd©,ᑏB-CḄᓄ,¢D£஺A᪆aCOZ+H2¿À=HCO¿ᔠᳮÂᫀᙳdÀজCaOCa"OH#+2HC1=CaCl+H0¿ᔠᳮÂ23222ᫀᙳdÀூA᪆௃ூÇA௃᪷É⚪ÊËḄÌÍᔠᱥ|Ḅឋ|ᑖ᪆AÂ஺ᦔḄ¨$ÎÏᓄФ¥ᨬ§Ḅ¨$ѨÑÏᓄ┛Óᦋ°⏚ឋ³´஺"1#AஹBᡂᐗB~CᦔᒓᑣBÎÏᓄÐAHÏᓄÐÎÏᓄÐÓÔÕ¶ᡂÐ⏚Ḅᓄ,¢D£QCO?+HO=HCO"2#B223'Q¤¥ᨬ§Ḅ¨$ᑣBѨÖ⏚Ô×ØÙÚÓᓄQѨѨᙠϨ/ÛÜÓᓄQÕᦑ⌱জà"3#Bᦋ°⏚ឋ³´ḄµᑣBÑÏᓄ┛Ïᓄ┛ÓÔÕ¶ᡂÑÏᓄ┛ᑣACaO'áB-Cm¶/'ᑣCd©Ö⏚Ö⏚ÔÑÏᓄ┛¶ᡂâᓄ┛'ÕḄᓄ,¢D£QCa"OH#2+2HC1=CaCl+H0»22ãஹ>⚪22.᪷É᝞ᡠḄäåᔠᡠ,æçèÂéᑡë⚪஺ABCDE"1#ᑏ/᪗¬জᡠᢣîᘤḄðñaà"2#>ᵨᜧᳮó'ôÖ⏚ᑴöCO?,⌱÷Ḅm¶ä忪øùÀHúᵨDäåᦈüC0Ḅý;2"3#>ᑴö0”⌱÷Eäåᵨ᣸
ᦈ“ᐜE"aᡈb#ᐭ஺᪆⏀Cᓄ᧕bூ᪆௃ூᑖ᪆௃A$%&ᨵ()ᑣᵨ,═⏚/ᑴ1,═⏚/234ᡂ═⏚/6ᓄ═6ᜧᳮ96:;⏚<=4ᡂ>ᓄ┛6ᓄ6஺ூ@௃"1#᪗BজᡠᢣFᘤḄIJ⏀஺"2#KLMᵨᜧᳮ96:;⏚<=ᑴ1ca,ᜧᳮ96:;⏚NOP<=4ᡂ>ᓄ┛6ᓄ6=

11⌱GḄIJKLMC,4NOᵨDKLᦈRC02ḄSTMUVᓄX᧕Z[\஺3
^_`ᑴbc⌱GEKLᵨ᣸\eᦈR0"ᐜgEKLKh\ijklmnoiᦑgqrsbtuᐭ஺ூxy௃UVᓄX᧕Z[\i{|}~qᜧiᵨᔣ᣸~qeᦈR஺ஹ⚪23.ᓄᐶᙠ^_`⏚ஹஹMᔲIJᑖj஺¡¢~/£▅¥ᧇ0জ¨⏚©ª«ᓄ©ḄZ¬ᨵ¯஺©°±²³´µ¶·¸ឋi²³ᩔ»¼½ª¾¯i²³ẚÀÁr¼Â஺ঝ¨⏚ÄZ¬ᕈÆឋiǯ஺/^_0ᑁÉÊË^_᪆ÍÎbÏÐÑ⏚^[ÒÓÆi_ÔᐭᦪÔX⏚ᓄØÙÚNaC0+2HCl-2NaCl+H0+C01——-2322ÄZ¬Ò¬iÖ₩bÏÐàVᓄJᡂᱥÆᨵÄZ¬[Ò4ᡈᨵ4^ÓÆiÔᐭáᡈᨵ—Jᡂ_Ôâ⏚Ò¬Ö—ßiᑖ₩i¬rᕈÊj²³Iã⁐åÔᐭJ஺æÐḄѨ⏚@Q@T(@"<®1>bÏЫᓄ©^Z¬[ÒÓ_ÆiÔᐭáÔ—kjḄçè^·M—àVᓄÄZ¬Ò¬iÖ₩/é¬ᜐᳮ0^_Íìßiὁîᢣoié¬ð⌕mòÇóᓄᜐᳮiôÐ^Êõ⁐᣸ö/Oὃ⇋âùÒ¬0஺úûüýþ^_ḄÒÓᑁᡠᨵᱥ᎔ᐭḄᑮ⁐஺᪷ᔣ"⌲$$%—'()*+ᑮ,-".ᑮ/0⁐᣸2Ḅ⌕4஺5᪆789:⁐;<'>⁐⌲?@A89⁐BCCu2t+20ir=Cu0H
1BC;2DEFᓄHាJ:⁐BC9ᡂL'ᵫ⁐NO:⁐Pூ5᪆௃ூS5௃

12TU7V⏚HXYZ⏚[\9ᡂ]FᓄV]FᓄV^:⁐;ᙠ9ᡂ;`ᑈ;⍗ឋᡈ⏚ឋ'mN⁐nopEFᓄH'qrst$ᐭu$i⏚sv₩ᕈ>⁐y$ᐭzpḄY{⏚ᨬ}'m~kឋᡠ'>⁐⌲?@A஺TU7nopᓄ'qrst$ᐭu$EFᓄH'v₩2NaOH+CuCb=2NaCl+Cu(OH)U,Cu(OH)2^⁐m'qDḄᱥᡠ`*+ᑮ89⁐BC[\^cᑖ5[\cᑖ5[\e9ḄT^ᔠOBCஹDᡈ;TU^஺1*+20=(71(011)21஺1¡"ᜐᳮ¤¥TUḄstᑁᡠᨵᱥ᎔ᐭḄᑮ⁐,-"§ᨵ¨©ª«Nឋ\¬ᓄOBC¨ᔣ"⌲$%ᐭEFᓄH'()*+ᑮាJ:⁐BC9ᡂ,-".ᑮ/0⁐᣸2Ḅ⌕4஺®ஹ¯°⚪24.TU´ᨵµ¶·¸2ḄEFᓄHᵫq¹tmº»¼N.½ᐶ¿rÀḄÁÂÃTUÄÅᐸNḄÇÈ.TUÃÉ᝞Ën᪵Í25g2ᐭᔣᐸ%ᐭ280gÃpḄYZ⏚ᑮ296.2g'.s¯°25g᪵ÍV⏚HḄp.5᪆721.2gூ5᪆௃s⚪ᑖ᪆7EFᓄH᧕XÔ;Ḅ]FᓄV[\9ᡂV⏚HÕN஺V⏚HXYZ⏚[\9ᡂᓄHஹDÖ]FᓄV஺×pØឤÅÚᓄ[\Û}ᱥḄÜpmNÝÞßoḄpᓽO9ᡂḄ]FᓄVḄp஺ᑭᵨᓄãÉä᪷[\Ḅpåᓽ¨¯°æ᪵ÍV⏚HḄp஺57ç25g᪵ÍV⏚HḄpOx,[\9ᡂ]FᓄVḄpO725+280g-296.2g=8.8gNaCO+2HCl=2NaCl+HO+COt232210644x8.8g106_44x—8.8gx=21.2gì725g᪵ÍV⏚HḄpO21.2gὃî7᪷ᓄ[\ãÉäḄ¯°ïஹðÉ⚪25.ᓄñòᧇò¨89S0”ᨬö÷øùúḄ⏚ឋûüËý^þᡂ⏚úḄᩩ⌶
⏚Ḅ(1)ᡃpH5.6(“>”“V"ᡈ"=")Ḅ%&'(⏚&஺

13(2)(+,⏚&ᓻ.
/ᑡ12ᔠᳮḄᨵ—.A+,89:;᣸=BἭ@AᵨᓄDEᧇCHE᯼┡᮱LMNODQRSTஹV□TXYTZ(3)ᵨ\]ᓄ^_`ab]ᓄcd
ecdḄᓄfgh(.(4)j⏚ᔆᓄlmᵨ10%Ḅ\]ᓄ^_`pqjrs⏚Ḅtu
ᐳwὑ\]ᓄ^_`80g,|ᑮsឋ_`
ers⏚Ḅtu_____o(᪷ᓄfgh
ᙠ⚪ᑏg)᪆VAD2NaOH+SO=Na2s0,+H09.8g32ூ᪆௃ூ௃(1)ᡃpH5.6Ḅ%&'(⏚&஺ᦑV(2)A+,89:;᣸=ᨵᑭ+,]ᓄ;Ḅ᣸=
¡¢+,⏚&Ḅ£ᡂ
ᦑ¥¦Bde+,AᵨᓄDEᧇ
ᦑ┯¨CHE᯼┡᮱LMNO©T+,⏚&ᓻ.
ᦑ┯¨DQRSTஹV□TXYTZ
ᨵᑭª«¬᛻
+,⏚&Ḅ£ᡂ
ᦑ¥¦ᦑ⌱AD(3)\]ᓄ^_`ab]ᓄcdᡂ⏚^¯°
ecdḄᓄfgh(2Na0H+S()3=NaS0+H0«242(4)²ers⏚Ḅtu(x,2NaOH+HSO=NaSO+2HO24242809880gx10%x80_9880gxl0%-Yx=9.8g´ஹµᔠ⚪26.¶·Aᵨᨬ¹Ḅº»ᩞᧇ஺jᐶ¾¿ÀfÁ¶ᡂᑖÄÅÆÇÈ஺É⚪1ʶ»ËÌÍḄ¶Î(Ï▅Ñᧇ)ÒÓu0.03%Ô0.3%,(ÕÓ¶ÒÓu0.3%Ô0.6%,(sÓ¶ÒÓu0.6%Ô2%,OÓ¶஺(Öl)H11.4g×┤ÙḄ¶᪵rNᐭÜᨵ20.0gÝÞ⏚(ßu)Ḅàá(àátu(120g)s஺ᓄfcdgsÁàáâᐸsḄᒕåᱥÄÅ'u
çè᝞/⊤cdòótlt2tsàá¯örtu/g151.3151.0151.0(ëì)íᑖ᪆(ᨬÙëîªᶇðᦪ)

14(1)<=RS4TḄUVWgo(2)ᎷYZᶇᙠ]^RḄ_⁐aᐰcWᓫUᑣe᪵ghijklḄmn(ᑏqrstu)w⚪2yᦈzh{⁚}zh~Ḅ஺()(3)e᪵g,m(ᎷYV2%),mᔆ100kgjm◤⌕Fg0376%Ḅ9ḄUVWn᪆(1)0.4(2)h,m(3)184.2kgூ᪆௃$⚪ᑖ᪆(1)ᵫUVឤ<=ᱥUḄUVᡠTḄUV<=ᱥUḄUV-<=ᒕ¢ᱥḄUVᓽIL4g+20g+120g-151.0g=0.4g(2)Ym᪵gRḄUVx஺Fe+2HC1="="FeClz+Ht2562x0.4g¤¥¦2gm᪵V=¨xi00%=1.8%11.4gh,m(3)100kgX(1-2%)X©4-76%=184.2kgὃ«ᓄ¬u®Ḅrs

15Rὃᓄ¬¯°$ᔁ²᪆᱐´⚗1.⚪ὃ"ᐜ$%&Ḅ()ஹ+ὃ,-.ᑏ01$ᩩ3ṹ+567ᙠὃ"9:ᩩ3ṹ67;஺2.⌱>⚪?@Aᵨ2BCD.EFG⌱>⚪?@Aᵨ0.5HIJ⁐LMḄNLDOᑏLPQ᦮ஹDM01஺3.Sᢥ᯿⚪-VWᙠᔜ⚪YḄ⚪;Zᑁ\]^⚪;ZOᑏḄᫀ`ᦔFᙠ₝cdஹe⚪ᔁg⚪`ᦔ஺4.hᢝᓱ☢0lm⌕ᢚpm⌕qẚஹqsm+AᵨEᦋuஹvwxஹydᑐ஺{ஹᓫ⌱⚪1.}ᑡজটᑖḄ\ᐸw5Ḅ■A气R体aA分«fl片*জঝঞটA.জᙠឤḄᩩ}$Ḅᓄ⛳u〉Ḅ¡ᑖB.ঝᔣ☄¤ᙠ¥¦§ᑖ¨©Ḅª«ᓄu¬ᐭ®¯⏚C.ঞᔣª«ᓄum±¬¡®²D.ট³©Ḅ´Ḅµ¶·¶ᑖ©©ᑖᦪ³Ḅ®¯⏚¹º᪆Bூº᪆௃ூ¾º௃A.জᙠឤḄᩩ}$Ḅᓄ⛳u〉Ḅ¡ᑖ┯ÀḄÁ©Ḅ©ᑖᦪm¨┯ÀFB.ঝᔣ☄¤ᙠ¥¦§ᑖ¨©Ḅª«ᓄu¬ᐭ®¯⏚w5ḄÁ¨©Ḅª«ᓄÃᨵª«ᓄÅ⏚¯⏚ᐜª«ᓄ¹Æᨵ¦Pª«ᓄ¹ÇÈÅ⏚¯⏚¹É"¦Pw5FC.ঞᔣª«ᓄum±¬¡®²┯ÀḄÁª«ᓄu`Ê᝞̬¡Í¨mᡂ⏚u┯ÀF

16D.ট¼½UVḄ¾tVḄ¿À6ÀᑖÁÂUV6UVᑖᦪ¼½Ḅ:;⏚<=W┯ÅḄzhtVTḄUVᢥ⏚ḄVrs4ᡂḄTÇ᪵┯ÅÈᦑ⌱B஺2.᝞ÌᡠÍᓄÎᵨ“ᑖÏᙠÐÑÒ”ᩭÕḄW²#᪆Cூ᪆௃ூᑖ᪆௃᪷×ᑖÏḄØÙᱯÛᑖÏUV6ÜÝÞ¤ÈᑖÏßàᨵà◞ÈᑖÏWᙠÐÑÒḄȽjᱥUḄᑖÏឋU¼½½ᱥUḄᑖÏឋU½ãᔠåKæçᑖ᪆ᑨÐᓽ஺ூ@௃Aஹêë¤ìíᑖÏWÐÑÒḄÈᦑîᔠ⚪ÈBஹÎïðᑮḄᕡìíᑖÏWÐÑÒḄÈᦑîᔠ⚪ÈCஹ⏚óôᵯWöóRᨵ÷ᵫøÒḄùÏÈÎìíᑖÏWÐÑÒḄÈᦑîᔠ⚪ÈDஹⅅûìíᑖÏWÐÑÒḄÈᦑîᔠ⚪Èᦑ⌱Cூ«ü௃ýþᑖÏḄØÙឋUÿᑭᵨᑖḄឋᑖ᪆⚪Ḅ⚪Ḅᐵ஺3.ᡃᜩᢈ!஺"#$%&'()*Hz+CO?(),ᡂᕒ0CHo/()Ḅ01234᝞6஺6ᑡᨵᐵ9:┯<ḄA./()=>?@ᣚ()B.()CDᑖᦪFGᨵHIC.()CDᐗKL=MD.()CDNOGᨵᦋM᪆*B

17ூ
᪆௃ூ
௃A.@ᣚ()QLᓫQLᓄᔠᱥ,ᡂVQLᓫVQLᓄᔠᱥḄ()W/()Ḅ,ᡂᱥXᓄᔠᱥW=>?@ᣚ()W⌱⚗[\]B.ᵫ4_`abcWdQefgᓄhᑖiejᑖ(),ᡂkelᑖQeᵬnᑖW()DᑖᦪFIoW⌱⚗┯<]C.ᐗKpQNḄqrW()CDᐗKL=MW⌱⚗[\]D.()CDNḄLGᨵᦋMWNḄOsGᨵᦋMW⌱⚗[\஺ᦑ⌱B஺4.6ᑡᔜvwxyzFḄ{|Ḅyzᫀ_ᔠᳮḄ⌱⚗yzFḄyzWᙠᯚW1ᑁAzbឋ_ᨵᔲB◀NaCl_ḄN&SO4lWOBaCLD¡ஹ£ஹ¤ᨔ©᪵lD«⁐®W1¯⁐ᔲC¦zNaOHᔲ§ᐰMM°D␺²ᓄ³KNO3NHcl©᪵+´µᮞ·ᔠẆ¹Wºᕡ4A.AB.BC.CD.D᪆*Dூ᪆௃¾⚪ᑖ᪆*ஹCH“¿ᧇWᙠᯚWXÁ1ᑁWÂ=ÃÄ/bឋ_ᨵH”┯<]B.◀NaCl_ḄNazSO”lWÅOBaCkWÁ,()Æ,BaSO,ÇÈWÉÊËᐭÍOḄBaCLW¡ஹ£ஹ¤ᨔW=ÃÎᑮÐÑḄNaClW┯<]C.NaOHÅ=MWÒÓឋW©᪵lD«⁐®WM°⁐WÅ+"ḄᡂᑖCO?,()ÔMW()Æ,ḄNazCOssÒÓឋW©᪵lD«⁐⏚WsM°⁐W=æzW┯<]D.NH£1+´µᮞ·ᔠẆ¹WÆ,ḄÖ×ᱥ,()Æ,ØWᨵÙÚឋḄᕡWÔKNO3=Ã,()W«ÄÒḄÛWÂbÜ␺²kLᱥW[\஺ὃ*ὃÞᓄßyzᫀḄ{|'àáḄcâ஺5.ã©[\ḄäåWÃæçèé,ᡈIoéëìᜫ஺6ᑡî=ាðḄA.ñ┡ó——ᵨ┡õõîB.⏀÷øḼ——ᵨúûüõîC.ý᪍ó——ÿ᪛ᩈᡂ◞D.Ḽ——ᵨ

18᪆Dூ
᪆௃ூ
௃Aஹ┡——ᵨ┡ᑭᵨ◞Ḅᳮ"#$Bஹ⏀'(Ḽ——ᵨ)*+ᑭᵨ◞Ḅᳮ"#$Cஹ,᪍——.᪛ᩈᡂ◞/01ᱥ340ᱥ◞"#$Dஹஹ⏀'Ḽ56ᵨ┯8஺ᦑ⌱D஺6.<=>?ᵫAᐗCDᡂḄEFGHḄIJᩞᧇᐹᨵOPQᵯஹQSḄឋ6஺ᐵV<=>ḄWX┯8Ḅ?()A.4[ᦣSᩞᧇB.?]^_`ḄᓄᔠᱥC.4[_`ᵯcḄᵯ᩽D.eᐰ01gᡂhiᓄA᪆Bூ
᪆௃j⚪ᑖ᪆ᵫmn4o<=>?ᵫAᐗCDᡂḄᓫqB┯8஺ᦑ⌱B஺ὃsAᓫq7.ti(G)6uᔾᦈx᜜z{|ᙢᳫgᡭᵯᨵ᩽iᓄᡂti(0),3ᓽ“]03஺ᑡᨵᐵ"#Ḅ?জ02?ᓫq$ঝ஺3?5Ḅᱥq$ঞᓄVᱥᳮᓄ$টqḄ஺2ᡠᑖḄᦪ$ঠqḄ஺3,ᡠḄᦪ஺A.জ@@B.জ@ঠC.(2X3XS)D.ঝঞট᪆Bூ
᪆௃ூ
௃জ^ᐗC4¡Dᡂ5^ᓫq஺2஺3?ᵫiᐗCDᡂḄ¢£ᱥVᓫqᦑজ"#$ঝḄᑖ᪀ᡂ503?5Ḅᱥqᦑঝ"#$ঞ஺3?5Ḅᱥq02f¥¦ᨵ_ᱥqgᡂVᓄ§ᓄᦑঞ┯8$ট]¨iᑖḄ©ᑖqª32,]¨tiᑖḄ©ᑖqª48,3¨iᑖ2¨tiᑖḄq«qḄ஺3,ᑖᦪ5ᦑট┯8$ঠ᪷itiḄᓄ§®4oiᑖtiᑖ?ᵫi᪀ᡂqḄᡠḄᦪᦑঠ"#஺ᨵᐵ"#Ḅ?জঝঠ஺ᦑ⌱B஺ூs°௃²³⚪⌕ᐙᑖᳮᱥqḄ¶·Dᡂ¸·᪀ᡂḄ¹ºᨵ»᪵½6©ᐵ¾☢ḄÀ⚪ÁÂ"#ḄᑨÄ஺8.Åᓄ§ÆDᔣ]ÈAgNOsCu(N03)2ÉᔠÊËÌᐭ]ÈḄZnÎᐙᑖÏÐÑ¥ÒÓÊËA

19ÔÕB,ÒËAᡠḄÊq546ḄÖ×?()A.Zn(NO3)2ஹAgNO3B.Zn(NO3)2ஹCu(N0)2ஹAgNO33C.Zn(N0)2ஹCu(N0)332D.Zn(NO3)2᪆:Aூ᪆௃j⚪ᑖ᪆ÙḄÚÛÜឋÝÞஹßP63à⏚ßஹà⏚ÞâgãᣚÏÐå]^Ú6ãᣚæ^ÛÜឋçèḄÚ✌ᐜëãᣚÂᩭḄ?ÚÛÜឋᨬèḄÚᓽÙᐜ3à⏚ÞÊËÏÐgᡂà⏚ÙÊËÞåÞëᐰîãᣚÂᩭïᨵÙðᙠ½6òó3à⏚ßÊËâgãᣚÏÐgᡂà⏚ÙÊËß.AஹÊËᨵà⏚ÞᑣÞö÷ᨵëᐰîãᣚÂᩭà⏚ßö÷øÌÏÐᑣùÊËḄÊq?Zn(NO3)2ஹCu(N0)2ஹAgN0,ÒËAᡠḄÊq546ªZn(N0)2ஹAgN0,┯33338$BஹÊËᨵà⏚ÞᑣÞö÷ᨵëᐰîãᣚÂᩭà⏚ßö÷øÌÏÐᑣùÊËḄÊq?Zn(NOs)2ஹCu(N0)2ஹAgNO,ù^Ö×46ðᙠ"#$CஹïÊËḄà⏚Þាûëeᐰã33ᣚᑣùÊËḄÊq?Zn(NO3)2ஹCu(NO,)2,ù^Ö×46ðᙠ"#$DஹïÙ?üḄ63à⏚Þஹà⏚ßÊËeᐰÏÐᑣùÊËḄÊq?Zn(NO3)2,ù^Ö×46ðᙠ"#஺ᦑ⌱AὃsÚÛÜឋýþḄÐᵨ9.ªẆ
Ḅ
ᙠḄᑡᑮḄ()A.ᙠᐜ!ஹ
ḄB.ᙠ#!$%Ḅᑖ'(ஹ
ḄC.ᙠ#)$%Ḅᑖ'(ஹ
ḄD.ᙠ#!$%Ḅᑖ'()
Ḅ*᪆,Cூ*᪆௃ூ/*௃01
Ḅ2%
ᙠḄᑭᵨ5ᑴ789:;<⍝>?@AḄ$%)ḄᩩCDEFFḄ
ᩭ(Hᑖ᪆ᡠJḄ⌱⚗:;<⍝⌱⚗CMNḄᦑ⌱C.10.PQᨵSTḄ7ᓄᑡ“7”XYᓄZ7ᓄḄA.᪛᪷“7”᪷]B.ℍ⃔“7”a⏀C.᳝d“7”ᓺfD.gᘤi“7”j*᪆,Bூ*᪆௃ூ/*௃Aஹ᪛᪷“7”᪷]klḄᱥnoᨵ7pjqrPs7ᓄtuᱥᳮ7ᓄᦑ!wᔠ⚪z{Bஹℍ⃔“7”a⏀ᨵ|ᱥnPᡂtuᓄZ7ᓄᦑwᔠ⚪z{

20Cஹ᳝d“7”ᓺfklḄᱥnoᨵ7pjqrPs7ᓄtuᱥᳮ7ᓄᦑ!wᔠ⚪z{Dஹgᘤi“7”jklḄᱥnoᨵ7pjqrPs7ᓄtuᱥᳮ7ᓄᦑ!wᔠ⚪z஺11.ᵨ)n8Ḅ╅
ᑖ'⏚>ᙶ᪗⊤ᐭ⏚ḄᑣPᡂḄn8wᔠ▭Ḅூ*᪆௃ூ/*௃᪷tQឋḄztḄ☠⏚>PᡂḄ%¡ᙠᙶ᪗⊤¢£¤▽)n8Ḅ
╅ᑖ'¦8Ḅ§⏚>╅¨PḄ8T©ª>«¬A«¬wᔠ;⌕¯஺ᦑ⌱A஺12.ₐ±²ᨵₐ³⏚ßCHON,´µ¶³⏒¸¹ºᨵ»¼⊈¾ஹ¿ÀÁÂÃஹ@ÄÅÆÇஹÈÉÊËᦔ஺ᑡᨵᐵºḄÎ9MNḄA.ₐ³⏚Ḅ)ᑖÏn80174B.ₐ³⏚ᵫCஹHஹ0ஹNÑÒᐗÔÕᡂC.ₐ³⏚ᐗÔḄn8ᑖᦪ012%D.ₐ³⏚²ᨵ1×ØᑖÏ*᪆:Bூ*᪆௃Aஹ᪷)ᑖÏḄn80ÕᡂᑖÏḄᔜÛÏḄ)ÛÏn8Ü:Ýₐ³⏚Ḅ)ᑖÏn8012X4+1X4+16X3+14X2=128,┯ß{Bஹ᪷ₐ³⏚ᓄZàGHMOIZ,ᑖ᪆ᐸᵫ,CஹHஹ0ஹNÑÒᐗÔÕᡂMN{Cஹₐ³⏚ᐗÔḄn8ᑖᦪ0MX100%=37.5%,┯ß{Dஹ᪷᪗ᙠᐗÔw128âãäḄᦪå⊤F×ᑖÏᡠ²ÛÏḄ×ᦪ{:çèn8é>Ḅçèn8ÈêḄáA.
ᱏìᐭ§⏚B.
ᱏìᐭ§⏚íçèC.ᓄ
îïᐭ⏚D.ᓄðîïᐭ⏚*᪆,Bூ*᪆௃AஹFe+Hs0,==FeS0+H1,çèñḄn8242

2156256-2,!wᔠ⚪zBஹFe+CuSO<=Cu+FeSO”çèÈêḄn8160152160-152,wᔠ⚪z{CஹFe0+6HC1==2FeCl+3H0,>óôஹPᡂçèn8ñT!wᔠ⚪z{DஹNaOH+2332HC1=NaCl+H0,>óôஹPᡂçèn8ñT!wᔠ⚪z஺ᦑ⌱B஺214.ᙠFõᩩCᙠF×ö÷øᘤᑁrPú>ûÝ>ü2ᔜᱥnḄn8᝞⊤ᡠᑡÎ9!MNḄᱥnXYZW>n8/g103900>n8/g3.23þû3.2A.W:ᓫB.Y
ᓄᑺC.ᑖD.ZᱥḄ86.4g᪆Dூ᪆௃ூᑖ᪆௃ḄᱥᡂᱥḄᱥᱥḄᡈᡂḄ஺XᱥḄ10g-3.2g=6.8gFYḄ!"
ᓄᑺ#WḄWᡂᱥᡂḄ3.2gF6.8g>3.2g,᪷%&ឤ()ZᡂᱥᡂḄ6.8g-3.2g=3.6gF᪷%ᑖ᪆X-W+Z஺ூ*௃A.᪷%ᑖ᪆⚪,X-W+Z,ᑖḄᡂᱥ
ᓫᡠ/W
ᓫ⌱⚗A23#B.Yᙠ5!"!3(ᐸᔲᓄᑺ8ᙠᨵ:,;ᑺ<Ḅ=!"ᡠ/Y
ᓄᑺ⌱⚗B23#C.᪷%ᑖ᪆⚪,X-W+Z,ᱥ>?ᡂᱥ@?AᔠᑖḄᱯD8Eᑖ⌱⚗C23#D.᪷%ᑖ᪆Zᱥᡂᱥᡠ/ZᱥḄ90g+3.6g=93.6g,⌱⚗D┯G஺ᦑ⌱D஺15.IJKL(∑NᙠOᨵ>(PQRSḄTUVᘤᑁYZ[ᰐ]^_,`C0abcd"ᓄef᝞hi^ᑖ᪆h
jᳮlḄmn

2222g48203o合02合蚩182o1%1''PP61O140020406080100120140160cd/sA.efজ⊤sCOaḄ"ᓄB.∑Ntu!vᐰYZC.∑Nᵫyஹ{ᐗ}~ᡂD.∑Nᰐ]cVᘤᑁSὑ᪆Bூ᪆௃AஹbḼḄSḄaᦑefজ⊤sSaḄ"ᓄᦑ┯G#Bஹᨵ>ᓄyᡂᦑ∑Ntu!vᐰYZᦑ23#Cஹ∑Nᵫyஹ{ஹᐗ}~ᡂᦑ┯G#DஹSḄᑮ>(Ḅ_c∑Nᰐ]ᦑ┯G஺ᦑ⌱B஺ஹR⚪16.ᵬஹ@~,ᔜaᨵH'ஹK\Ca2\Cl\0H\CßV-?,Ḅ?ᡠaᔜ!஺3(,Ḅᑖᔣ,Ჩ¡IJt¢ᵬ~ᕈ¤⁐⊤¦ᵬ~§ឋ,>(aᨵ,ᵫEjª~,Ḅ?o«A¬᪆®#OH-FH\Ca2\Cl»ூ᪆௃⏒⍗®ឋ;"¤ᡠ/ᵬ~§®ឋ,aᨵ0±#ᵫ²OIF³H*!ᐳµᑣH*ᙠ~஺᪵⍝ᳮC0¹!³H`Ca"ᐳµᓽCa?+=ᙠ~஺▢□¾᪀ᡂᱥᡠ/~,ᨵCÀ17.“ÂÃᑖÄ”ÆÇSᑖᔾ▬ÊᵨᑴÍḄᐵÏÐÑ஺i^ÒᑴᢥÔᑭᵨ"Öᔾ▬ᢈØÙÚ!ḄÛRSh1ᑴ^_ḄsÜh஺

23RSÛRS、沸石调粉ᵯÞ分、ß子按钮àᐵ筛J(1)Sᙠ1ö^÷ᑖøùȦPú⌕ûᡂᡂᑖḄüýþ஺(ÿ
Ḅᦪ)ᵨO⊤ᵨ•⊤஺(2)ᦈ!"1ᡠḄ%&
ᵨ'(
Ḅ)*+,-ᔠ〉Ḅᦈ012,ᳮᵫ2(3)ᵨ"2ᡠ789:%&
;
Ḅ)*+,-:<=>?@ḄA2B᪆(1)RSÛRS᣸E1
FGE
H᧕GE᣸EJKLMN-OP(HQ&
R᡾)Ḅ
TJUVWX2ᔲᦈZ\]^Ḅ_`aᐭ
!cdᑖ
fgூ8᪆௃ூ;8௃(1)hijᩩlm
ḄᦪᡠKnᐭᑴpḄ&
;
ᑖq
ᑖᦪ-41஺s“uvᑖw”ᔾ▬ᑖ{MᑮḄ%&

}~ᜧ
}~Aᓫ;
ᑖ
ᑖᡠKMᑮ:(2)ᦈ!"1ᡠḄ%&
ᵨ'(
Ḅ)*ᔠ〉Ḅᦈ012᣸E1ᳮᵫ2
FGE
H᧕GE᣸EJKLMN-OP(HQ&
R᡾)Ḅ
TJUVWX2ᔲᦈZ

24(3)ᵨh2ᡠsâãL(ÛRS,SḄaÆäYḄ¤åæᐭèSécÐᑖSPêlëì<ᐭ<ḄPQḄ`íὑḄS!>ì>(îïG஺18.ð:ñᩭᡃôḄõöᢈØ÷øtù஺mᔠᡠúᓄúûüýþÿᑡ
⚪Nfcrঞᴻজঝ⊤☢Ḅr*(1)᪗ḄᱥᩞᧇḄ("#$)஺(2)'ᵯ)Ḅ*+ᜧ-ᵨ/ᑴḄ12ᑭᵨ4/Ḅ56ឋ8ឋ஺(3)'⊤☢:;⌕4■>᜜@A┤1ᐸDᳮ0F᪆জ*ᵯ◞IJK8LூF᪆௃ூᑖ᪆௃ᩞᧇᒹQR8ᔠ஺A┤ḄDᳮLᑖ8JKᐳUVᵨḄWX஺ூYF௃(1)Z[Zᔠ1[ᩞᧇ஺(2)'ᵯ)Ḅ*+ᜧ-ᵨ/ᑴḄ12ᑭᵨ4/Ḅ56ឋ8*ᵯឋ஺(3)4■>ZḄ┤⇨1]^_`ᵨᙠᐸ⊤☢ᑵஹdᡈ╄gᐸhi⌚klmnḄop1'⊤☢:;⌕4■>᜜@A┤1■>┤⇨ḄDᳮ◞IJK8L஺19.Ớ]rstuvwxyᐗ{஺Ớᐗ{Ḅ|$I,}~(Ớ)ḄW᪀஺(1)x=.(2)Ớ[ᐗ{("“”ᡈ“”)1[ᕜ஺}⊤Ḅx1IᓄឋḄ("#$)281@287F᪆53EூF᪆௃

25ூᑖ᪆௃ᨬ᜜ᵯᦪᱥḄᓄឋ஺ூYF௃(1)ỚỚDuᑮvᵯᡂḄ1ᙠD1᪶ᑁᦪi[᪶᜜ᵯᦪ1ᑣx=2+8+l8+18+9+8-1=53«(2)Ớᐗ{Ḅ¡¢£1ᨬ᜜ᵯᦪ7,[ᐗ{1[ᕜ஺}⊤Ḅx1IᓄឋḄE஺20.L¤¥Ḅ¦§1¨©ª}ᑡᨵᐵ
⚪(1)®¯°᩟²1᩟³´µᵨg¶ᩭL1¸ᐭ—»¼½¶ᩭLᔲ¿L1ÀឋÁ_ᵨ[ÂL1ᑭᵨᐸ,Ä_AÀÅÆ—Ḅop»ÇÈLḄ¿É1ᙠÊộÌ_¸ᐭÊÍᑺ1ᑭᵨ4ÊÍᑺḄvVᵨ஺(2)}ᑡAÀ_ÏᱥLÐᔠ1ÑᡂÒÓḄ()AⅅÕBÖ×CØ⏀DÚA(3)ÛᓄÜÒ[L1ÝÒ[ÞᱥßÛᓄÜᙠàLÒFḄyáᙠiyḄâLÒFḄyᜧ12ãäᱥḄÒFÑå8ᨵᐵ஺(4)}ᑡæLḄçèéêḄ—oAᜧyëᵨ°ìஹᓄí1îï⌼ᡂLrñòBÂᓄLóÉᨬôḄopõöC÷øᙠJKùúÌ1ûKüýþyL»ᔾᦈ
ᓄDᵯ᩽Ḅ᩽Ḅᜧ᪆Ḃᔾ▬ឋ!"ᓄAC#ᑺ%&'(BCூ᪆௃ூ+௃(1),-ᢣ/0#ឋ┛╅ᓄᔠᱥ56Ḅ70ᵨḂᩭ:;,<7ᐭḂ>?@A56BCᑣ-<7ᐭḂ>?@A5EBCᡈGᨵBCᑣ-,IJឋKᐹᨵᔾ▬ឋ70Mᔾ▬NḄᩖP7QR0MᵨSTI,<ᓄḄUV-!W✂7YZJN[\!ḄUV0]^Ḅ,(I_`ᑺabcde"ᓄ7fᡂ5hiḄ"jk7lm_nde7ᙠ_ộZᐭ_`ᑺ7-ᑭᵨr_`ᑺḄ"ᓄsᵨ஺ᦑvḂIᔾ▬ឋI!I"ᓄ஺(2)w%ᡈx%ᱥPᑖᦣᑮ|w%ᱥP}7fᡂᙳwḄஹhiḄᔠᱥ#k஺ⅅ⏀᧕#S7ᑖ#S}afᡂᙳwḄஹhiḄᔠᱥI"-᧕#S7ᔠfᡂḄ-jkId-k#S7ᔠfᡂḄ-"jk஺ᦑvACo(3)ᓄ#S7#Sᱥd7ᱥPḄ#a#ᑺ%&ᨵᐵIᓄᙠN#ḄP

26ᙠPḄN#ḄPᜧ7ᱥPḄ#a'(ᨵᐵ஺ᦑv#ᑺ%&I'(஺(4)AஹᓄN/ᜧ¡ᓄᔠᱥ7ᜧ¢ᑖ-ᨵ£ᱥP7ᜧcᵨஹᓄ¤⌼ᡂe¦7ᦑ⌱⚗┯ªIBḄTᓄ\«ᒹ®¯ஹ\°ஹᔾ▬W±7ᐸNTᓄ«(ᨬ´ḄUV-W±7ᦑ⌱⚗µIC¶ᙠN·¸ᡂḄ
ᓄ-ᨵ£7¹ºN»E0ᔾᦈ
ᓄ■½¾e¦7|᜜7ÀÁ»7¹ºNḄÃ0Mᔾᦈ■½ÁÂ\«NQÄ´ÅƹºÇÈ7ᦑ⌱⚗µIDᵯ᩽Ḅ-7᩽Ḅ-É7᪷ËᓄÌU«Í[ᵯÎÎ2H+O2T0ÏÉḄÐ2:1,ÉḄ67ᦑ⌱⚗┯ª஺ᦑvBCoÑஹÒÓ⚪21.ÕNḄA-H⊤×x%ØNᓄÌZÙḄᱥP7ᑖ-ᵫHஹCஹ0ஹAlஹSஹCuNḄw%ᡈx%ᐗÜÝᡂḄ.ᐸNBஹCஹDஹEஹFᙳßSᓫP7GஹHßSᓄᱥ.BᐹᨵáâḄᢙῖ⇨ឋaID-ᨬæçḄ·ᧇIGᨵ£.ÕN“-”⊤×ìíḄᱥPîaïᓄÌÁ“w”⊤×ᱥPîðᙠñᓄᐵòI¢ᑖÁÂᱥஹᡂᱥᡈÁÂᩩôõᶍn.(1)DḄ÷ø-.(2)CḄᓄÌÍÐ.(3)ᑏ@B-EÁÂḄᓄÌU«Í.(4)ᑏ@FHÁÂḄᓄÌU«Í.᪆Éa2A1+3CUS0=3CU+A1(S0)32A1+3CUC1=3CU+2A1C1424232Al+3Cu(N0)=3CU+2A1(N0)CA+C´'2C03233ூ᪆௃A-H⊤×x%ØNᓄÌZÙḄᱥP7ᑖ-ᵫHஹCஹ0ஹAlஹSஹCuNḄw%ᡈx%ᐗÜÝᡂḄ஺ᐸNBஹCஹDஹEஹFᙳßSᓫP஺D-ᨬæçḄ·ᧇIᡠMDÐÉ7GஹHßSᓄᱥ7Gᨵ£7ᡠMGÐwᓄûIBᐹᨵáüḄᢙῖ⇨ឋa7ᡠMB-ý7ÉýañᓄᡂE,ᡠME-þ7Hañᓄᡂwᓄû7HÐ
ᓄûIFa
ᓄûÁÂ7F-ûICû7ýÁÂ7C-IAaýÁÂ7AÐÿ

27⏚ᑮ஺ᓄᡂḄᓄ2Al+3CuS04=3Cu+Ak¡S04¢3ᡈ2Al+3CuClz=3Cu+2Ale13ᡈ2Al+3Cu¡N0¢=3CU+2A1¡N0¢3;ᓄᡂᓄḄ323COz+C2C0!"#⚪Ḅ%⚪&'(⚪)*ᱥ,-⁐ஹᵨ⌶2*ᯠ45ᔠᓄᐵ8*ᑭᵨ:;ᩩ=:;>?*@A#*ᨬ4CD#Ḅ5EFG*H'ᔲJᔠ⚪Kᱥ,LḄᐵ8஺MஹN⚪22.NOᑴQRST◤⌕ḄWXY᝞[\ᡠ^*_`a[ᑡc⚪஺¡1¢ᑏe᪗ᨵhiḄjᘤlmজ,ঝ஺¡2¢NOᑴQRᓄḄqXYrs⌱ᵨBXYḄuv',XYKwᵨᑖyzᧅḄ|!'o¡3¢}⌕~ᑮḄR*ᡠ⌱XYḄhB--hi஺¡4¢Fᓄ'ᔲᦈḄ&'஺¡5¢ᐶḄBஹGஹHXY@AN஺}NTGXYK∑ᒓ*HXYKy*ᑣBXYK:;Ḅᓄo%᪆⏀£¤┵¦§:;ᱥ'¨SyS*:;©◤⌕ª«s¬ᑴ:;®᳛*⁚±²³FED᪷ḼḄᩈᩩ·¸ᙠR§º*ᩈᩩᰐ¼*½ᓄᦈaᫀᔠᳮᓽs2H2O2ᢌ஺2H2O+O21ூ%᪆௃¡1¢᪷ÄÅÆjᘤ%a¡2¢᪷Ä:;ᱥḄÇ᝱ஹ:;ᩩ=%a᪷Äs¬ᑴ:;®᳛*⁚±²³%a¡3¢᪷Äᐜஹ4ᵨᔣË᣸ÍR&ᦈ%a¡4¢᪷ÄDḼḄᩈᩩYÎR§º*ᩈᩩᰐ¼*½ᓄᦈ%a¡5¢᪷ÄᓄÏyᙠªᐭᓄ═Ḅᩩ=[ᑖ%ᡂÒR%a஺¡1¢᪗ᨵhiḄjᘤlmজ⏀£¤*ঝ┵¦§¡2¢NOᑴQRᓄḄqXYrs⌱ᵨBXYḄuv':;ᱥr'¨SyS*:;©◤⌕ª«XYKwᵨᑖyzᧅḄ|!'s¬ᑴ:;®᳛*⁚±²³¡3¢}⌕~ᑮḄR*Rs¬ᵨÓÔ⏚*ᡠ⌱XYḄhB-F-E¡4¢ᓄḄ&'D᪷ḼḄᩈᩩ·¸ᙠR§º*ᩈᩩᰐ¼*½ᓄᦈ¡5¢}NTGXYK∑ᒓ*HXYKy*ᑣBXYKᡂḄ'R஺ᓄÏᙠᓄ═ÕÖᓄᑺḄᩩ=[ᡂÒR*:;Ḅᓄ2HQØ@2H0K¢21஺ÙஹÚÛÜ⚪

2823.®¯ᘤḄ±²³ᐸµᵨ¶·¸⚗ᱯ»¼ᐶ¾¿“ᑴ╅ÁÂH<µᵨCG®¯ᘤ”ḄÃ⚪nÅÆÇ஺(1)ÈᓄÊḄᑴᜓ⌱ᵨÍÎ⏚ÐH⌱ᵨÍÑ⏚ÒᜧᳮvᡈvᮞvÕÖᑴ×CO?Ḅᳮᵫ2—o(2)ÆÇ╅ÙÈᓄÊḄÕÖ\]^Ḅ╅ᩩÚᐭÛZC&Ḅ
!ᑁ╅ᩩÝÞᒓà^áâᡂä⁐æ¿ᨵè⁐ᱥê▬Ḽ
!ᑁì஺╅ÙCO?ÕÖḄíᱥÝÞnÅÆÇ஺(îgïð)ïðIíᱥ2MgOqC'ïðníᱥ2MgOஹMgCzqC஺îgKòïðḄóô2஺(õ▅÷ᧇ)Mg0+H0=Mg(0H),Mg(OH”ᙠúE;ḄGB~ᜧ22MgC+2H0=Mg(0H)+C2H21.222(û(ᑖ᪆)-ÆÇä⁐æḄᡂᑖᐶ¾üjýnÅþ᝞
জḄᔠᱥᐭᐭ—"#$%ঝ'()I*+⁐ᡂᑖ/01234ᓫ
஺
78;
:;஺<I#$ᑏMg>CO?Ḅᓄ@ABC—DḄᓄ@EFG—«(
J)LMN
O“ᑴ╅ST"UVᵨCO,XYᘤ”\“C02"]^”_ᨵabcḄdef᪆<ᵨᜧᳮjᡈjᮞj>mn⏚ᑴC02,pᡂḄCaSO,qrst⌚vᙠᜧᳮjᡈjᮞj⊤☢z{|2}~pឤᡈᓄ@ᐗE"
Ḅ:;p+⁐^n}জ*Ḅr2Mg+COzW2MgO+Cᣚ╅ḼY"Uᵨ¡ᓄ¢XYᘤXY“¡ᓄ¢"]^”Gᢣ¡ᓄ¢"¤ᢝ2¦§^ᱥḄ^¨஺¡ᓄ¢"]^G©OḄª)ᙢdeᱥḄឋூf᪆௃ூ¯f௃(1)<ᵨᜧᳮjᡈjᮞj>mn⏚ᑴC02,pᡂḄCaSO,qrst⌚vᙠᜧᳮjᡈjᮞj⊤☢z{|2}~pᦑ⌱ᵨm²⏚³"⌱ᵨmn⏚>ᜧᳮjᡈjᮞjᑴC02oᦑ´<ᵨᜧᳮjᡈjᮞj>mn⏚ᑴCO?,pᡂḄCaSO,qrst⌚vᙠᜧᳮjᡈjᮞj⊤☢z{|2}~p஺µ¶·

29Ýe¬ËÞßḄàÄ',áâឤäå*ᓽᓄ:;æ4*ᐗèḄé>©*uêḄé>ஹëìᦪ©ᦑ,áâឤäå஺ïNᑖ᪆ðজ᪷ÄMgC2+2H20=Mg(0H)2+C2H2t,Qñá:;4Ḅ¨Sòᔠᱥ¸ᐭóô*ªᐭõá«Ò*öRS¸e*÷½©øMgCz,÷½ÞßD©ᦑH஺ঝQùúজóôKḄËûüy*ýªþÿ
᝞
I஺IMgCO?ᡂMgOC,Ḅᓄ2Mg+C0z=W2MgO+C,ᓫ!ᓄᔠᱥᡂᓫ!ᓄᔠᱥ$%&ᣚ஺ᦑ)*+,-জ/0Ḅ123
4567
8
82Mg+C02M^Mg0+C%&ᣚ஺9:;<=>?@:;AB╅DEFG$ḼIJKLᵨNOᓄPQIᘤQI“NOᓄPKT”ᢣNOᓄPKWᢝYZAᱥḄ[஺NOᓄPKT\]Ḅ^ᙢ`aᱥ!Ḅឋ!஺ᦑ)*╅DEFG$ḼIJKLᵨNOᓄPQIᘤQI“NOᓄPKT”ᢣNOᓄPKWᢝYZAᱥḄ[஺NOᓄPKT\]Ḅ^ᙢ`aᱥ!Ḅឋ!cஹef⚪24.hijklmᔠG0mḄ!nᑖᦪᐜrstuvw:;(◀m᜜ᐸ|ᡂᑖK}~⏚):;ᦪ᝞⊤*᪷iḄ:;⚪*YwNwwvwᡠ+ᔠGḄ!n/g10102030ᡠ5~⏚Ḅ!n/g10012080XᡂḄ!n/g0.20.20.2Y(1)1⊤vw:;0ᔠGḄmា}~⏚ᐰᑣᐸ0X=_Y=_஺(2)mᔠG0mḄ!nᑖᦪ_?(3)ᡠ5~⏚!!nᑖᦪj?(ᶇ0.1%)஺᪆*2400.656%12.3%ூ᪆௃ூ£௃(1)ᵫYw:;Nw:;ABᡂ0.2g¥◤⌕ᔠGḄ!nj10g,ᵫYw:;w:;ABᡂ0.2g¥◤⌕~⏚Ḅ!nj80g,ᓽ10gᔠG}80g~⏚ាᐰᑣ30gᔠGL}240g~⏚ាᐰᡂ0.6g¥ᦑ)240,0.6஺

30*ªmᔠG0mḄ!nᑖᦪjX,~⏚!!nᑖᦪjyFe+H2SO4=FeSCh+Hit56982lOgx80gy0.2g562=10gx0.2gx=56%982=80gy0.2gy*12.3%*Ù2ÚmᔠG0mḄ!nᑖᦪ56%%Ù3Úᡠ5~⏚!!nᑖᦪj12.3%.«ஹ¬⚪25.☢ᑴᜓ°±Oᓄ²Ḅ¬³᪷¬³ᑡ⚪:Ù1ÚজḄ¶@·¸8Ù2ÚᑏºঝḄᓄ%Ù3Ú?¼½ᑮḄNHC1
¿ᨵÁÂÃÄALÅᑏºYÆᓽAÇ.4Ù4Ú₝⏚²ÊËᑖḄᓄj*ZnCO_A_ZnO+COt+C01,ÌÍÎÏÐrḄ¥᣸Ò242ÓḄᜐᳮÖ.᪆*&ᣚZnCl+ÙNH4ÚC0—ZnCO!+2NHC1¼×ẚÙÅᡈ
☢°%¼×ÛÜÇÝ2224244C0ூ᪆௃Ù1Ú᪷²}~Þ⏚Ḅᱯᑖ᪆Ḅ·¸8Ù2Ú᪷àᓄ²}₝⏚╄ḄᑏºḄᓄ8Ù3Ú᪷?¼Ḅâãä⚗ᑖ᪆¼
ÁÂḄÃÄ8Ù4Ú᪷YOᓄP[ᡂuNOᓄPᑖ᪆ᜐᳮæḄÖ஺Ù1Úᵫ¬³AB²}~Þ⏚ᡂu⏚²$%YÆᓫ!}YÆᓄᔠᱥᡂuçYÆᓫ!çYÆᓄᔠᱥ$%&ᣚ8Ù2Úᵫ⚪ãABàᓄ²}₝⏚᪶ᡂuàᓄé₝⏚²êëḄᓄjZnCL+Å□ÇC0—ZnC01+2NHC1%Ù3Ú?¼½ᑮḄ224244NH£1
¿ᨵÁÂÃÄAL¼×ẚÙÅᡈ
☢°%¼×ÛÜÇ8Ù4Úᵫ%YOᓄPᐹᨵAឋ[ᡂuNOᓄPᡠrḄ¥᣸ÒÓḄᜐᳮÖÝC0஺îஹïᔠ⚪26.ᵬஹñஹòஹóvôiᑖõᵨ!nᑖᦪ\iḄÞ⏚}\i!nḄöᮞö᪵ùᐙᑖ:;ûü᪵ù0P⏚┛Ḅ!nᑖᦪ஺Å᪵ù0Ḅᩖ!K%ÿ
⏚ᦪ᝞⊤ᵬ

31ᐭ²⏚Ḅ(g)20.030.045.050.0ᒕäḄ(g)6.04.01.01.0/1å(1)᪵çè45g²⏚ᐙᑖ²⏚Gᔲëᒕä(´“G”ᡈ“ᔲ”)᪵ç*¢⏚┛ḄᑖᦪG.(2)p¡ᓄ¢4.4g◤⌕ðgñ᪵çèm²⏚ò(ᑏ1åMB1åóôõ$ᑮ÷ᦪ2ø)f᪆(1)ᔲ%90%(2)11.1gூf᪆௃N⚪ὃû(᪷ýᓄ@ABCḄ1å஺ᐵÿ
ᦪḄᑖ᪆⌕ឋឋ஺(1)ஹ!"ᐭḄ$⏚&'ᒕ)*+ᓾ-᪵/0ᒕ)*+123$⏚45ᩖ78ᵬஹ:"ᐭ10<$⏚*+Ḅ7=>?2.0<8:&"C15g$⏚*+Ḅ>?Ḅ7=:&>?3g,ᒕ)*+Ḅ7=1.0

32ὃᓄᔁ᪆᱐n⚗h1.g⚪qὃZᐜtuvḄwxஹὃyz{ᑏ}~tᩩṹᙠὃZᩩṹ஺2.⌱⚪ᵨ2B{8⌱⚪ᵨ0.5⁐Ḅᑏ+᦮ஹ}~஺3.ᢥ᯿⚪zᙠᔜ⚪¢Ḅg⚪£ᑁ¥g¦§g⚪£ᑏḄgᫀ©ᦔ8ᙠ₝¬ஹ®⚪ᔁ°g⚪©ᦔ஺4.±ᢝᓱ☢}µ1⌕ᢚ·1⌕¸ẚஹ¸º1ᵨᦋ¼ஹ½¾¿ஹÀᑐ஺-ஹᓫ⌱⚪1.ᵨ“W”$%ᴻ'()*$+,᝞-ᡠ/஺ᑡ2345Ḅ7A.aᜐ9:⁐<=>?@⁐B.aᜐḄ?CO+Fe0=2Fe+C0232C.bᜐABCᮞE>FGHIᨵCO2KᡂD.MᑭᵨOPḄQ3()RSᜐᳮ᪆Bூ
᪆௃ூ
௃AஹVWᓄXᐹᨵZ[ឋ]Wᓄ^Kᡂ^_`WᓄXaᜐ9:⁐<=>?@⁐ᦑA⚗45;ÍÎBஹdᓄQefgᨵhIᩩj
kl┯n45oᑏ?3co+Fe2CÑ3-2Fe+3co2,ᦑB⚗┯nqCஹ`WᓄX]rABḄCᮞE>FGbᜐABCᮞE>FGHIᨵs0?KᡂᦑC⚗45;DஹVWᓄXᐹᨵMPឋMᑭᵨOPḄQ3()RSᜐᳮᦑD⚗45஺ᦑ⌱B஺2.᪷ᑡ+,Qᫀ()+,]wᑮy+,zḄ7

33A.{|Zn_FeḄ}~ឋ5mLi0%⏚5mL5%⏚EB.^┑K┤஺27ᔲ^┑薄铜{|9_ḄḼOE片-ூ᪆௃⚪ᑖ᪆A]{|Zn_FeḄ}~ឋ?⏚ḄZ஺D]S02Ḅ?eKḄS¡¢£S¡஺ᦑ⌱BC.ὃO+,QᫀḄ¤¥3.¦§S¨ᑮS02Ḅ©ª«¬®¯°±ᓽ³´µ¶·¸X<=¹º»¼SḄSO?de½KḄᓄ72X+2S0z+02—2CaS0,+2C02,XḄᓄf7"#A.H2OB.Na2cO3C.CaOD.CaCOs᪆Dூ᪆௃᪷¾¿ឤÁÂÃ[ÄÅÆ_ÇᦪÈ>ᵫQefÊKᡂᱥᨵḄ[ÄÅÆÌ[ÄÇᦪ?Ca,2'S,2'C,2'0,12'ÍÊᱥᨵḄ[ÄÅÆÌ[ÄÇᦪ?S,2'0,6'{|ᑖ᪆MÊXᨵCa,C_0ᐗÏᐸ[ÄÇᦪᑖÑ?1,1_3,ᦑXḄᓄf?CaC0o34.ᑡ+,]ᵨ᝞-⊤/Ḅ7

34溶液质量g0ÓᐭÕ¡¾gA.ᔣV¾Ḅ×⏚ØÙÚÓᐭ^7ÙÚᕈøឋpH<7ÙÚᕈ⏚ឋpH=7ÙÚᕈឋ஺ᐸᕈ⏚ឋḄ7öÚ஺ᦑ⌱C஺6.᪷᝞-ùúḄûüᑖ᪆ᑡ23┯nḄ7ØÑA.ýX>10,ᑣd*ÿ
□B.ᐗᐗC.Ḅ19.00D.᪶᜜ᨵ9ᵯ᪆hBூ᪆௃⚪ᑖ᪆Aஹ᪶ᑁᦪு᪶᜜ᵯᦪ□"#X>10,ᑣ%&'
□"ᦑ)*+Bஹ᪷-ᐗᕜ/⊤1Ḅ23145Ḅ67"%ᐗḄ89"
:ᐗ"ᦑ┯<+Cஹ᪷-ᐗᕜ/⊤1Ḅ23145Ḅ67"=>ᐗḄ19.00,ᦑ)*+Dஹ᪷-ᐗᕜ/⊤1Ḅ23145Ḅ67"?ᦪ9,᪶᜜ᨵ9ᵯ"ᦑ)*஺

35ὃCὃDE᪀GHIJE᪀GHI+ᐗᕜ/⊤ḄᱯCLᐸNᵨ஺7.ᙠ2QRSᘤᑁUᐭᵬஹXஹYஹZ[\ᱥ"ᙠ2^ᩩ`abcᓄefN"fNghᔜᱥḄjᓄka⊤஺aᑡmn1o)*ḄØÑᱥᵬXYTfNgᱥ/g83254fNhᱥ/g164X24A.%fNᑖfNB.Y=p%fNḄqᓄᑺC.ᵬஹXs\ᱥtuUfNḄv1:4D.XஹZs\ᱥtfNḄv7:5᪆Cூ᪆௃⚪ᑖ᪆ᵫfNhḄjᓄᐵy=>ᵬZᱥcᡂᱥ"XfNᱥ"᪷-{ឤ^}>⍝XᱥḄ
ᵬZᱥḄU"ᦑYᱥḄX=5,=qᓄᑺ=ᩖ"ᡠA.%fNᑖfN)*Ḅ+B.Y=p%fNḄqᓄᑺ)*Ḅ+C.ᵬஹXs\ᱥtuUfNḄv1:4┯<Ḅ"ᵬஹXs\ᱥtuUfNḄv2:78D.XஹZs\ᱥtfNḄv7:5)*Ḅ"ᦑ⌱CὃC{ឤ^}8.ᨨ⌕ᡂᑖஹᩈஹḄᩭJḄᓄ஺e¡ᵨᨨᩭ¢^£¤1¤Ḅ¥"¦§¨©gḄª«᝞IᡠG"¦§h®1¯ᐭ°ᴻ²S³250mLÑ1Ḅ´Ḅµ³45mLc┤·ὑḄ´¹ᶍo஺aᑡmn┯<ḄS³250mLḄ°ᴻ²A.¦§g»¼½Dª«Ḅ¤QឋB.¿ÀÁ¦§ᦪ-¢Ã£¤1¤Ḅµ³ᑖᦪ18%C.#¦§¢Ã£¤1¤µ³ᑖᦪÄÅ"=pᨨḄ¡ᵨᦪoÆD.»¼ÇÈḄÉᦪឮË̦§gḄÇÈhÍpÎÏ®ᑁᒕÑ´Ḅµ³᪆B

36ூ
᪆௃ூ
௃A.᝞Òª«Ó¤"Ô¡ÕᐭḄ´ÄÖ"¢^ḄEÒÄ"¦§g»¼½Dª«Ḅ¤Qឋ"ᦑ)*+B.c┤·ὑ¤"¡ª«ᑁḄ¤×"Õᐭ´Ḅµ³Ø·ὑ¤Ḅµ³"Ù¤²ᑁ£¤Ḅµ³(250-20)mL=230ml,Õᐭ´Ḅµ³45mL,ᓽ¤Ḅµ³45mL,ÛܤḄµ³ᑖᦪ45mLÝ19.6%,ᦑ┯<;230mLCஹbᑺḄ»¼Æ"ÛßᨵÆḄbᑺÍpषὑá"¡EÒâ*"#¦§¢Ã£¤1¤µ³ᑖᦪÄÅ"=pᨨḄ¡ᵨᦪoÆ"ᦑ)*+Dஹ»¼ÇÈḄÉᦪឮË̦§gḄÇÈhÍpÎÏ®ᑁᒕÑ´Ḅµ³"¡EÒâ*"ᦑ)*஺ãᫀBo9.ᔣAgNOsæç1Uᐭ2^ḄAlèFeḄéᔠë"ᐙᑖfNhÀí"Ãᑮíïèðñ⁐íç஺ᐵ
%íïèíçᨵaᑡ[\mnজᔣíï1Uᐭô⏚"2^ᨵ¤ö÷c஺ঝᔣíç1Uᐭô⏚"2^ᨵùú÷c஺ঞíï12^¥ᨵAg஺টíç12^¥ᨵFe(N0)2,2^o¥AgNOs,=p¥ᨵAl(N0)333ýmn)*Ḅᦪ()A.0B.1C.2D.3᪆Bூ
᪆௃ூ
௃জᵫᨵᐹḄḄᡠᑨᔲᒕ!⏚#$ᡠᑨ%&'()*ᦑজ┯-ঝᵫᨵᐹḄḄᡠᑨᔲ/0⏚!ᐰ23ᣚ5ᩭᡠᑨ%&'(78ᦑঝ┯-ঞᵫḄ:;ឋ=>!?ᡠᙠABC%&Dᨵ!ᓫFᦑঞG-টᵫIJKL⁐IJNOᨵ0⏚PḄ>:Qᡠ$Rᐜ#$TUᡠ%&ᨵ0⏚஺ᡠ%&ᨵ0⏚P0⏚Nᨵ0⏚!஺ᦑট┯-ᓽ⚪CᡠYḄZ[\]Ḅ^ᨵঞᓽ^ᨵ%_Z[\]஺ᦑ⌱Boூ௃abc⚪de✌ᐜ⌕hiᳮ:;ឋklᐸ$ᵨopqᐵḄstu-ᯠw᪷yᡠYz⚪{|}ᔠᡠḄqᐵstᢈᙢ▅ஹᑖ᪆⚪uᙢஹOᳮᨬwᢥ᯿⚪dḄ⌕ᙢ⌱ᡈaᓽN

3710.ᑡᱥFḄᵨ⌶oᓄᳮqᔠḄØÑ⌱⚗ᵨ⌶ᓄᳮᵨᓄ¡⊤£¤A¥¦ᵨᑴ¨©ª4P+50,«ᰦ2P,0.B®⏚ᵨ◀┤Fe+H2sO4="=="FeS0+Ht42C%±ᓄ²ᵨ³3C0+Fa஺´µ2Fe+3C02Dᜩᯠ)ᵨ·¸ᧇCH«+20,(ᯠC0,+2H20A.AB.BC.CD.D᪆Bூ᪆௃Aஹ¥¦¸¼(ᡂ¾±ᓄ¿¦ᓄ¡À4P+10,-^-2P,0„\]-Bஹ±ᓄ®⏚#$(ᡂ®⏚Áᓄ¡ÀFeO+3HSO—FeØSO,+3H0.┯Â;2324232Cஹ%±ᓄ²±ᓄ#$(ᡂ¿±ᓄ²ᓄ¡À3C0+Fe03=^i=2Fe+3C0.\]-22DஹᵬŸ¼(ᡂÁ¿±ᓄ²ᓄ¡ÀCH,+2O?ÆÇ-CO2+2H2O.\].ᦑ⌱B.11.ᑡÉÊËCPH\]#᧜G$ÍᓄᐵÎḄØÑLa/--------MgII0᎛æḄ7=çéê7=/gmitᦋḄ7=/&èḄ7=AC.ᔣØÙTᐰqÚḄA.ᔣ%&ḄÐB.ᔣ%&ḄÐD.ᔣ%&ݱᓄÞÐ⏚CᑖÛÑᐭÜÕஹ⏚CÑᐭÓḄ╅Õ⏚CÑᐭÖḄÁ×IJCßÑÐ⏚╅ÕA.AB.BC.CD.D

38᪆Aூ᪆௃ூᑖ᪆௃╅Ð⏚#$(ᡂàᓄ╅Ý)ÜÐ⏚#$(ᡂàᓄÜÝ)ݱᓄÞÐ⏚#$(ᡂàᓄÞÁ஺ூá௃Aஹᔣ%&ḄÐ⏚CÑᐭÓḄ╅Õ#$(ᡂàᓄ╅Ý)àᓄ╅᧕IÁãḼ#$ḄIJḄFåᜧÐ⏚#$TᐰIJFçåÑᦑA\]-Bஹᔣ%&ḄÐ⏚CÑᐭÖḄÁ×⏚ឋèépHêÍᜧᜧ7,ᦑB\]-CஹᔣØÙTᐰqÚḄÐ⏚CᑖÛÑᐭÜÕஹ╅ÕëÐ⏚Tᐰ#$w(ᡂḄÝ)FquᦑC\]-Dஹᔣ%&ݱᓄÞIJCßÑÐ⏚ãḼÐ⏚ḄåÑݱᓄÞḄFèìëݱᓄÞÐ⏚Tᐰ#$eݱᓄÞḄF$RÀíᦑD\]஺ᦑ⌱A஺12.ᑡî3ᡈï·ð&ñᑮóôdḄ"#A.õ&ö)CḄ±)ḄD᪆Dூ᪆௃

39ூá௃Aஹ÷øùóôᡂúḄᐵûî3)üឋ⌕ý-¥¦⌕Ö-⌕þᓾᑮ
ᦪᑮḄᔠ⚪Bஹ᝞ᵨḄᡂḄ!"#ᵨ$%&'()ᘤ᝞ᵨḄᡂḄ+,ஹᡈᨵ+,/ᐭᡈ12+3Ḅᐸ5ᡂᑖ789ᵨ:;Ḅ)ᘤᑮḄᔠ⚪Cஹ<=>=?@ABCD$ḄᩩFGH"ᑮḄᔠ⚪DஹIJᓄLḄMNOPQRH᪷D$ḄᩈᩩUVᙠX+Y(ᩈᩩᰐ[\]N^ᩈᩩ_ᐭX+YᑁaᑮḄᔠ⚪஺ᦑ⌱D஺13.eᓭᜧhi]Ḅ“Hkᐹᨵ᣸╍oḄpᱥrᩚtuᐸᵨ⌶”₫yzᓝ|}3~ᑭᝄᝄ஺╍(Cd)Ḅᦪ48,@112,ᑡᨵᐵ╍ḄPḄA.╍Ḅ᪶᜜ᵯᦪ48B.╍ᐗC.╍Ḅ3ᦪ48D.╍Ḅ᪶ᵯ₹ᦪ112᪆QAூ᪆௃H3ᦪ=᪶᜜ᵯᦪ=᪶ᵯ₹ᦪ=ᦪ╍(Cd)Ḅᦪ48,ᡠ#╍Ḅ᪶᜜ᵯᦪ48,ᵫᡠh¡"╍ᐗ@=ᦪ+3ᦪ╍Ḅ3ᦪ48,112-48=64,⌱A14.ᑡᱥḄឋ1ᵨ⌶@ᐵ¥┯§Ḅ()A.ªᨵ+,HH«ᵯ¬iᐝHHᑴ◱⇧±B.²³HHᙢµ¶·HHᑴ?ᵯ᩽C.HJᓄL---ºឋ----»¼D.²ᮞ----1!HH?¾¿ᑺ᪆QBூ᪆௃Aஹªᨵ+,«ᵯ¬iCÁ⁐Ḅᐝᡠ#"ᵨᑴ◱⇧±Bஹ²³ᐹᨵÃᵯឋᡠ#"ᵨᑴ?ᵯ᩽┯§CஹHJᓄLᐹᨵºឋᡠ#"ᵨ»¼Dஹ²ᮞ!ᐹᨵᔾ!ឋᡠ#"ᵨ?¾¿ᑺ஺ᦑ⌱B஺15.ᑡÅ3ᓄhhÆ3ÇÈḄÉMÊ?ᐸ3Ḅ()A.míîï⏚

40ð᪆hBூð᪆௃ூóð௃Aஹᵨ⏀õö⌕“÷øஹ÷Ἥஹ-1ú”ûü⏀õö⌕ᵨýþûüἭÿᵨ
⏀
⏀ᦑA┯Bஹ⏚⌕⏚ᙢᘤᐭ!"ᵨ#ᴻ%&'ᤅ)*+,-.ᙢ᡽ᦣ
1&2ᐭ⏚!ᦑB34Cஹ-67ᦪ9:⌕;-6ᑁ=>Ḅ@=☢ḄᨬCᜐEᢝGᦑC┯DஹIᵨ=>JKLM⌕᎔OᦑD┯஺ᦑ⌱B஺RஹST⚪16.YZ[ᵬஹ]^_`>ᱥbḄcdef:஺g1hcdeijeᓣlmnᜧḄᱥbpgS“ᵬ”ᡈ“]”hg2hu"vᙠtyCz{᝞Z2}~ᐙᑖᤅ)ᑮḄ=>জ
ঞ஺জ
ঞᡂḄc=!⛳c=ḄpgSh<3hᙠc=ঞ!ᐭ25gᵬᐙᑖᤅ)ᡠc=!cbḄb-ᑖᦪ[
g4ᑮ0.1%h;g4h`>ᵬ!-`>]ᙠ`>ᵬ
1⌕ᵨᑮḄ#ᴻᘤᨵ;g5hᵬ[KNOs,᝞Z3ᡠ¦20c¨©ᨵ⛳KNOsc=Ḅª«¬Oᐭ©Ḅ®!ᔣ®!ᐭuᱥb°«¬!ᨵᨔ>᪆³஺ᐭḄᱥb´2pYᑡ!ḄgS¶·h஺!⛳Ì⏚ÎÏÐÑ3A¸¹ᓄ»`>B½¾ᮞ`>CÀᙽDÂ⏚Ã`>E.⏚

41d᪆Åᵬঝ28.6%®ஹ#ᴻ%ஹÈᧅஹ⏀CDூd᪆௃ூÌd௃(1)᪷Ðcdef:ḄÑÒ´ÓᵬḄcdeijeḄᓣlmnᜧ]ḄcdeijeḄᓣlmÔª(2)ᵫcdef:´ÓtJCᵬḄcde[20g,ᓽ100g!cd20gᵬᱥbØᑮ⛳Ù᝱ᦑজp&⛳c=ঝp⛳c=tzCᵬḄcde[40g,ÜÝঞp&⛳c=(3)ᵫtz࠷ᵬḄcde[40g,ÜÝᙠc=ঞ!ᐭ25gᵬß2cd10g,ᡠc=!cbḄ40gb-[40g,c=Ḅb-[140g,ᡠc=!cbḄb-ᑖᦪ[àx100%28.6%140g(4)ᵬḄcdeijeḄâᓄâᓄãᜧᦑäᵨåjæᨔḄçèᐜêᡂljYḄ⛳c=åjᨵ`>᪆³°ëìᦑ⌕ᵨᑮḄ#ᴻᘤᨵ®ஹ#ᴻ%ஹÈᧅஹ⏀(5)jeåCÂ⏚íḄcdeâªᨵᨔ>᪆³ᦑᐭḄpÀᙽᡈÂ⏚╄`>஺17.Y⊤pCa(OH)zNaOHḄcdeᦪÐ.óôõYᑡö⚪Åje/࠷020406080100cde/gCa(OH)20.190.170.140.120.090.08NaOH3191111129313336(1)÷Ðø⊤ᦪÐùᑴCa(0H)2NaOHḄcdef:Z!2⊤¦NaOHcdef:Ḅp(S(2)⌕ý
Lþÿ⛳
ḄCa(0H)2ᡂ⛳
ᨵ().জঝᓣ!"ঞ$%!"ট'ᐭঠ'ᐭ*+ᓄ┛(3)/ᨵ60c23Ca(OH)2
NaOH678Ḅ⛳
9⌕;ᑮ=>?ḄNaOHᨔABḄᱥᳮEFG.(4)/ᨵ20C2Ca(0H)2Ḅ⛳
(ᵬ)ᔣᐸL'ᐭMNOCaOPឮR20'C,;ᑮUL8Ḅ8OᑖᦪḄᐵYZᵬ____U(“ீ”ᡈ.`᪆bAজঝঠdᓾf⛳
=

42ூ`᪆௃ூj`௃(1)᪷m⊤opqḄᦪmrst*+ᓄuḄ`"v!"Ḅᓣwxᜧᦑ{⊤|NaOH`"}~ḄGA஺(2)M⛳
ḄCa(OH)2ᡂ⛳
rஹ'ᐭ*+ᓄ┛Aᵫ*+ᓄ┛Ḅ`"v!"Ḅᓣwrᵨᓣ!"ḄEFᦑ⌱জঝঠ஺(3)*+ᓄuḄ`"v!"Ḅᓣwxᜧ*+ᓄ┛Ḅ`"v!"Ḅᓣwᦑ$%!"*+ᓄu᪆tw*+ᓄ┛ᯠᶇᙠLr;ᑮ=>?Ḅ*+ᓄuᨔAᦑḄᱥᳮEFGdᓾf⛳
஺(4)ᔣ*+ᓄ┛Ḅ⛳
L'ᐭ+ᓄ┛ᵫ+ᓄ┛BᡂḄG*+ᓄ┛!"ឮR!"ᯠG!"Ḅ⛳
ᦑ88OᑖᦪL8Ḅ8OᑖᦪḄᐵYZᵬ=U஺ூ௃*+ᓄuḄ`"v!"Ḅᓣwxᜧ*+ᓄ┛Ḅ`"v!"Ḅᓣw+ᓄ┛BᡂḄG*+ᓄ┛஺18.ᵨᔠᑡ⌕Ḅᱥ8Ḅজ+¡ঝ¢¡ঞ£¤ট¥¦⏚ঠ¨©ᮞডU⏣®(1)ᵨ¯°±²³¡ḄG.(2)ᵨ¯´µᧇḄG.(3)ᵨ·¸¹+ᓄºḄG.(4)ᵨᦋ¼⏚ឋ¾¿ḄG.`᪆bঝডটঠூ`᪆௃r᪷mᱥ8Ḅឋ8rÀᡠÂḄᓄÂÃÄÅÆᑖ᪆ஹᑨÈÉw;ᑮÊËḄÌÍ஺(1)¢¡ᙠÎ!ᓄÂឋ8ÏNᵨ¯°±²³¡ᦑ⌱ঝÐ(2)U⏣®ᐹᨵµឋᵨ¯´µᧇᦑ⌱ডÐ(3)£¤
¥¦⏚Òᐹᨵᔾឋᵨ¯·¸ᑺÕ£¤¹+ᓄºBᦑ⌱টÐ(4)¨©ᮞ*+ᓄ┛ᐹᨵ¤ឋÎᵨᦋ¼⏚ឋ¾¿ᦑ⌱ঠ஺19.ᐗØᕜÚ⊤GÂÛᓄÂḄÜ⌕Ýᐹ⊤GᐗØᕜÚ⊤ḄMÞᑖ.ßIA0ᕜÚ1H1*IIAniAIVAVAVIAVDA1.008

436C7N809F2LÒJÓ12.0114.0116.0019.0011Na12Mg3Ô╅Ö22.9924.31᪷×ᡠh¡ØÙQé1ê13ÚᐗḄÚ11ÚᐗÛÜÝ“”ᡈ“”Þᐗ.é2ê9ÚᐗḄà᪀âÑé+9ê2xᐸ3x.ãᐗḄ)᧕BᑮᵯåᡂæçCãæḄà᪀âÑ_____.é3êᵫ1Úᐗ8ÚᐗéᡂḄ▢æÚᵫ1ஹ6ஹ78ÚᐗéᡂḄëḄᓄhì᪆Qé1êíé2ê7NHJiCOsᡈéNHD2cÜÙᫀᔠᳮᓽ"Þூ᪆௃ñ⚪ᑖ᪆Qé1ê13ÚᐗḄæÚA1”,ᵫ8Úᐗ12ÚᐗéᡂḄᱥᵫMg?+03é2ê9Úà᪀âÑ᪷×ᙠ3ᦪ&Û᪶᜜ᵯᦪᦑᐸ3X7,ᵫ1ஹ6ஹ78ÚᐗéᡂḄëḄᓄhìNH4HCO3ᡈÜ□Þ2c03.ὃôQᓄhÚḄõᑏஹà᪀âÑ20.᝞Ñ÷ᓄø=⏚ùIÎḄᒹû]ü᪷×ýþØÙᑡÿ⚪
é1ê⏚ḄᓄKHpéX,ᑣ⏚Ḅᓄ,⏚“”ᡈ2“”ᔠᧇ஺é2ê⏚ᐗ"#$ᐗ"Ḅ%&'oé3ê(ᒹ*᪵Ḅᓄᨬ-.ᨵᐗ"Ḅ%&012◤ᑡ56317᪆
9zHPO,39b3225X98%X—X100%kg174ூ7᪆௃ூᑖ᪆௃

44RᔠúG3ᨵ¢ûüý7ᐗØLþÿ
ᡈ
ᐗḄᓄᐗḄᐗḄᦪ஺ூ௃(1)╆᪷$+1&ᡠ(⏚*+,Ḅᓄ-./(□)Hp0“KHp0,9:;ᨵ=ᐗ>(ᐗ?@22ᔠ஺(2)(⏚*+=9B?ᐗ:=ᐗ=ᐗ>CᐗḄ/D(39X2)D(16X4)=39D32»(3)LᒹN᪵ḄᓄᨬQ;ᨵ(ᐗḄ/:31_______25kgx98%xxl00%kg39x2+1+31+16x4ூST௃ᐗḄ᪵UḄᐗḄᑖᦪ஺WஹYZ⚪21.ᨵLᒹ]^_`;ᨵCᓄ┛ஹb⏚=ஹc⏚dஹc⏚┛9ḄL
ᡈe
஺/fgᐸiᡂkl᝞nop஺জ]^9Lr;ᨵoঝ]^9LruᨵOঞᑏyzᡂ{⁐}~Ḅᓄ-.»᪆DNa2cCaC03CaOCa(OH)+NaCO=CaCO1+2NaOH2233ூ᪆௃ூ௃ᡂḄ:_᣸◀Ḅc⏚┛Cᓄ┛>zᡂ*Cᓄ┛>c⏚dzᡂ}~ὅ_ᐳᐭᮞᨵ{⁐}~ᙠc⏚duᨵCᓄ┛஺]^9LrᨵNazCOsLruᨵCaCOsCaOzᡂ{⁐}~Ḅ:c⏚d>*Cᓄ┛Ḅᓄ-.:DCa(OH)+NaCO=CaCO1+2NaOHo2233£ஹop⚪22.᪷¤nᑡ¦§¨©ªᨵᐵ¬⚪D

45KCOD澄清石灰水(1)ᑏy¦§¨9᪗®¯ᘤḄ±²Da(2)op³ᵨµ¶⏚=ᑴ¸C¹ᐸºz¦§_⌱¼(½¾¿)Ḅᓄ-.:._ᵨE¦§ᦈÂC¹Ḅ:஺(3)op³ÃÄᵨ¦§B>(½¾¿)Æᑴ¸+Cᓄcᓄ-.:oᵨ¨GᡠȦ§ᑴ+Cᓄcᨵ“ÉÊÉᵨஹÉᐵÉË”ḄᦔÎ஺ᙠḄÏ9ÐᐵÑÒÓḄÔÕK,ËÖᐸᳮ:o(4)ᵨØÙḄ+Cᓄc¹^ᢥ¨H¦§klop஺ÛÜᑮḄÞ⌕àá:Dᵬ9ஹã9äåᮞæçè஺ã9ºzḄᓄ-./»᪆Dé⚠ëᧅA2KMnO,ðK-th+MnOz+O?tC¹᧕ö>CCaCO+2HCl=CCl+HO+CO21ᐵÑÔÕK,øùÓᑁûüýᜧÿ


ᐰᑖ3a22⁐C0+Ca(OH)=CaC01+H02232ூᑖ᪆௃(D)⚠+ᧅ-./
012(2)ᑴ456ᒹ8/9:;◤/9=>᝞@ᵨBCD:ECᓄ═ᑴCHI;◤⌕/9᝞@ᵨK═⏚MᡈO⏚MᑴCHI◤⌕/9஺CHḄRSTUHḄRSᜧ;᧕XDYZ[ᵨᔣ]᣸UH_:᣸D_ᦈa஺(3)bcdᑴ4C02,fᙠhijᵨᜧᳮᡈᮞ:mn⏚ᑴ4Ḅo⏚┛:n⏚qrsᣚᡂᑖvᡂOᓄ┛:D:ECᓄoYZ;◤⌕/9஺ECᓄo[XDRSTUHḄRSᜧYZw[ᵨᔣ]᣸UH_ᦈa஺ᵨxGᡠ{56ᑴECᓄoᨵ“~~ᵨஹ~ᐵ~”Ḅᦔ@஺ᙠḄᐵ]ḄK,ᐸᳮfᐵK,ᑁᜧ


ᐰᑖ2(4)ᵨḄECᓄoH
ᢥxH56bcᑮḄ⌕¡¢fᵬ⁐ஹ¤¥¦ᮞD§¨஺ூ©᪆௃ூª©௃(1)«x¬®ᘤaf)⚠+ᧅ2(2)᝞@ᵨK°⏚MᑴCHI◤⌕/9¬⌱56A2K═⏚M³9ᑖ©vᡂ═⏚M:ECᓄ´:C

46A=>?Ḅᓄ@A
2KMn04=K2Mn04+Mn02+021;$=ḄBC'D=ḄBCᜧ᧕GHIJKLᵨᔣO᣸D=QR᣸IQᦈTU(3)VWXᑴZCO2,ᙠ\]^ᵨᜧᳮ`ᡈ`ᮞ`Rbc⏚ᑴZḄd⌱fghiB,$ᓄjLGHIkBC'D=ᜧdᵨᔣO᣸D=QᦈTd⌱hiC'j⏚┛Rc⏚mnoᣚᡂᑖgᡂrᓄ┛RIR$ᓄj>?Ḅᓄ@A
CaC0+2HCl=CaCl+H0+C0fUJK◤⌕tuUᙠ>?ḄvA3222wᐵyz{OḄ|}K,>?~ᐸᳮ
ᐵy|}K,{ᑁᜧ#ᐰᑖ>?~U(4)ᵨḄ$ᓄj=ᢥHhiVWᑮḄ⌕
ᵬ⁐`¡G¢£ஹ¥¦§`ᮞI¢¨©J$ᓄjR$ᓄ┛>?gᡂj⏚┛ª⁐«¬RIU>?Ḅᓄ@A
CO+Ca(OH)=CaCO1+H0o2232ூ®௃=ḄᑴZhiḄ⌱¯#>?ᱥḄ±᝱R>?Ḅᩩ´ᨵᐵU=ḄᦈThiḄ⌱¯#=ḄBCRG7ឋᨵᐵ஺¶ஹ·¸¹⚪23.º»“¸¹¼½ᑁ=Ḅ¾Rᡂᑖ”¿Ẇ¹ឋÁḄÂ⚪஺º»ÃvÄ▅ÆᧇÇÈ
জ*ʼ½ᑁ$=Ëᓰ1/4,ᐸÍ⌕$ᓄjRÎ=஺ঝ$ᓄjLGHI஺¸¹ᑖÐÑ஺(1)Ò&¼ᑁ=Ḅ¾஺@QAᵨÔᵨÕÖᘤZ¼½ᑁ=Ò&ᐸ¾U@QB᝞ᡠÚᙠI^Ûẚ¼╢ᵨ&ÞßZ᣸IQᦈT¼àᑁ=áÒ&¾UâãÒ&äåæçḄ(Ê@Q,ᳮᵫ(2)¸¹¼╔ᑁ=Ḅᡂᑖ஺(ᨵÐë¼½ᑁḄ=)Ñíî¿Wï╔ᑁ.ᨵ$=——Wï╔ᑁ.ᨵ$ᓄ——j7᪆
@QB$ᓄjdGHI½ᑁḄ$ᓄj=LGHIᦈTḄ=¾'V▭¾º;

47òóḼḄᩈᩩöᐭ.ᨵ¼ᑁ=ḄT=ëᩈᩩLøùóᙠ.ᨵ¼ᑁ=ḄT=ëtᐭ-&Ḅ¦§`ᮞIáú₩`ᮞI¢¨©ூ7᪆௃ூü7௃(1)$ᓄjdGHI╔ᑁḄ$ᓄj=LGHIᦈTḄ=¾'V▭¾ºUᡠý@QBÒ&æçU(2)$=ᐹᨵÿḄᱯឋḼḄᩈᩩᐭᩈᩩᓄᮞᡠ!ḼḄᩈᩩᐭ"ᨵ$%ᑁ'(Ḅ)'ᩈᩩ*+,%ᑁ"ᨵ'ᙠ"ᨵ$%ᑁ'(Ḅ)'.ᐭ/0Ḅᮞ12₩ᮞ+,%ᑁ"ᨵᓄ஺56789:!ḼḄᩈᩩᐭ"ᨵ$%ᑁ;+%ᑁ"ᨵ'ᩈᩩ*'(Ḅ)'ᙠ"ᨵ$╔ᑁ'(Ḅ)'.;+%ᑁ"ᨵᓄᐭ/0Ḅᮞ12₩ᮞ=ஹ?@⚪24.BC⏚E᪵G"ᨵHIឋᩖK(ᩖKHIMH"EᐗOHPᐸRᱥKTUVW)ᐶZ[\]^_`aC⏚EḄ"0஺bcd᝞fg;জi᪵G20g.ᐭ81.8gj0ḄᤅlᐙᑖIopᔣᐸ.ᐭ56grᓄsItᐙᑖVWpuvwᑮ&9gHIMḄᱥK{vta2ঝ}ᔣ~vta.ᐭ56grᓄsItᐙᑖVWpuvwᑮ4.9gHIMḄᱥK{"IKḄvtb஺?@(1)᪵GC⏚EḄK0ᑖᦪ(2)ᨬpᡠwvtbIKḄK0ᑖᦪ஺o᪆80%8.7%ூo᪆௃ூo௃(1)ᵫ⚪C⏚E{rᓄsVWUᡂrᓄE{C⏚s᪷wᑮ4.9gHIMḄᱥK{"IKḄvtb”20g᪵GḄC⏚E{rᓄsាᐰVW◤ὑrᓄsItK056g+56g=112g,ᑣ56gḄrᓄsVWὑ᪵GḄK010g,]UᡂrᓄEK04.9g,ᑣ20g᪵GᩖKḄK0=8.9g-4.9g=4g,ᑣ20g᪵GC⏚EḄK0=20g-4g=16g,᪵GC⏚EḄK0ᑖᦪ=X100%=80%,ᦑ¡80%220g

48(2)ÁᐳvᡂÃ⏚MḄÄÅÆx,CUSO4+2KOH=CU(OH)2+K2SO416017416gx160174---=----16gx©Êx=17.4g,ᡠÊËbḄÄÅ=20g+81.8g+56g+56g-8.9g-4.9g=200g,ᑣᡠÊÃ⏚MÄÄ174gÅᑖᦪ=X100%=8.7%,ᦑÏ8.7%஺200gÐ᪵1Ã⏚ÒḄÄÅᑖᦪÆ80%2ᨬÔᡠÊËbÄḄÄÅᑖᦪÆ&7%஺Öஹ×⚪25.ÙÃ⏚ÚᙠᓺÜஹ⌼ÞßàáâᨵḼäåḄᵨ஺æẆèéêëᵨ᝞jbc×ᵨNa2cᔾᦈSO?ᑴᜓNa2s஺3஺I~ḼSO?Ḅ/óôõv᝞jᓄöS0+H0+2NaC0=NaS0+2NaHC022223233S0+2NaHC03=Na2S0+2C01+H022322SOz+HzO+Na2so3=2NaHSC>3soNaOHItNaSOj1I:¬G¢£3—VW¦~VWI௃I~~►¨T©ᨔ►u«vt(1)H2s஺3ḄúûÆÙÃ⏚ᑣNa2s஺3ḄúûÆo(2)ᑖ᪆1üýḄþᧇᔣ⏚ᐭᓄḄᨵᐵᑖḄᑖᦪᓄ᝞1ᡠ஺ᑣ1⊤______(%ᓄ&'())ḄᑖᦪḄᓄ+,2⊤ḄᑖᦪḄᓄ+,஺(3)/01“34U”7ᐭNaOHḄ<Ḅ=>34I@ᡂḄNaHSOsDᓄEN&SO3ᑣGᓄ&34H'E.

49A组分的段K分BᐭS6Ḅ00102030405¯°ᓃ®1®2(4)LᵨNOPᨔḄHRᑖSTᔠVᑮNazSCh,ᵫ]^_NazSO,Ḅ`ab=c2Ḅ(%AᡈB)ᱥḄ`abhi஺(5)klmVᑮḄknopᨵḄḄᓄ&'Eo(6)/0s>NazSOs᪵uvwᙠyzn{1|s}~O᪵uNazSO”ᩖvw1|@ḄNazSO”ᑣN&SO3᪵uENaS0Ḅᓄ&34H'E஺24`᪆⏚NaC0NaS0NaOH+NaHSO=HO+NaSOBNaS00+2NaS0=2NaS0232332232322324ூ8᪆௃ூ;8௃(1)ᵫH2SO3ḄE⏚ᡠNazSOsḄ=⏚4ḄᡠE⏚(2)ᔣ⏚ᐭᓄḄ⏚4Gᩭᡠ1⊤NazC()3ḄᑖᦪḄᓄ+,34ḄᨵNazSOs@ᡂᨬsnNazSOsᐰὑ2⊤NazSO?ḄᑖᦪḄᓄ+,(3)/01“34II”7ᐭNaOHḄ<Ḅ=>341@ᡂḄNaHSChDᓄENazSOs,=ᓄ¡⏚34@ᡂ⏚¡¢4Ḅᓄ&34H'ENa0H+NaHS03=H0+NaS0223(4)LᵨNOPᨔḄHRᑖSTᔠVᑮNazSOs,£¤⏚Ḅ`a¥¦aᓄ§ᜧᡠN&S03Ḅ`ab=c⚪2ḄBᱥḄ`abhi(5)klmᡠVᑮḄk=⏚Ḅ⛳¡ᡠnopᨵḄḄᓄ&'ENaSO23(6)/0s>NazSOs᪵uvwᙠyzn{1|s}~O᪵uNazSO«ᩖvw1|@ḄNazSO,=⏚¡¬Ḅ34@ᡂ⏚®4Ḅᓄ&34H'EO2+2NazS()3=2Na2s஺4஺¯ஹ±ᔠ⚪26.(1)ᡃ³´µẆOḄ·¸CPUº»4ᵨᒹ½ᓅᧅÀÁᙠᑁḄᓝÄųÆÇᘤ¸ᱏmEᡠᨵᵯᾯஹÌÍÆᵯḄ᪶ÏÐÑÒ=ÓÔaḄᓫấ(Si)EᩞᧇᑴᡂḄ஺ᵨᓄ&HRᑴÓÔấḄ34ÛᳮEজ2C+SiOz2XOt+Siàáấâ

50ঝSi+2ck=SiCLà᝱âঞ2H2+SiCL4HCl+SiàÓÔấâêëì(ᑡî⚪জïð34ñwᣚ34Ḅ=à%óôâ஺ঝSiCl,ḄấᐗöḄᓄᔠ÷=஺ঞ34জᨵᒓùḄCO@ᡂÒÍúûüýþ⌼ᡂ“᯼”஺᝞ᨵCO⍷?o2Ḅ!"⃩$%&ᐰ()*+!ᢈ-.ᙠ()1ᑁ345678⚞ᡂ:Ḅ+;᜜=>ᱏ@ᔠᡠCDEFGHᑡJ⚪Lজ!NOPᜧRSᵨUVHᩞᧇLYZஹ\]^_`ஹ\abᐸ\ade஺A.hdᩞᧇB.ᔠᡂᩞᧇC.ᨵkᜩᯠᩞᧇD.okphdᩞᧇঝOPrᵨstuᓄ!FezOjᙠ{ᩩ}H~ᡂᰚ᝱HḄ!ᓫ\aḄ◣~ḄᓄC%:LFe03+2Al=X+2Fe,ᑣXḄᓄC:஺2ঞ\!Sᵨ┤.!┤Ḅ⌕ᡂᑖ¡Fe23¢£¤ᨬrᵨ¦⏚◀©!┤ªᑏ¬~ḄᓄC%Loটᙠ¯!°s±²᧕´┤⇨ªᑖ¶·¸ᐸ¹ºL«¼᪆Lজঞ+4¿ÀÁÂÃÄὅƬÇ᛻ÉÊᔾuᡈÍᔾÎÏÐÑ⌕ÒÓÔᨨÖ×Øὅ〈ÚÛᶭ஺GᫀᔠᳮßàVÉᑖAALO3Fe0+6HC>2FeC13+3H0232sæu~ᡂçèéêëḄuᓄsↈíîï+ð´uᓄñéòᑮÔôõᵨÖ\!┤⇨ᡂ!┤ö÷øùúÐt^ᑖÔᶇᙠ\!ᑴý⊤☢
┤⇨஺ᔠᳮᫀᑖூ᪆௃1জSiOz+2C—Si+2COtஹSiCL+2H2—Si+4HC1'()*+)*ᱥ-.ᡂᱥ012ᓫ4-2ᓄᔠᱥ678ᣚ)*:;)*+678ᣚ)*Ḅ1জঞ>ঝ@SiCL+ấḄᓄᔠBCD᪷Fᓄᔠᱥ+GHᓄᔠBḄIᦪ-C0,x+-lx4=0,QRx=+4,ᡠTSiCLḄấᐗVḄᓄᔠB1+4>ঞ)*জ+ᨵᒓYḄCO.ᡂZ[\]^_`a⌼ᡂ“᯼e+Y”஺᝞hijᨵ]C0+YQklḄmnCopqrstu+Yὅwx+Yy᛻{ᔾ`ᡈ~ᔾe⌕ᨨ>+Yὅ〈ᶭ>2জ@+ᜧ\ᵨTᩞᧇoஹஹ¡ᐸ+67£6ᩞᧇ>ঝ@+¤ᵨ¥-`ᓄFezOjᙠª«ᩩ)*.ᡂᰚ¯°᝱Ḅᓫ4²+Ḅ◣
´µ¶)*Ḅᓄ·¸¹ºCoFe0+2AlX+2Fe,᪷Fᓄ·)*¾¿ÀḄ2Á-ᦪÂÃÄQRXḄᓄ·23ºCoA1OঞÅÆ\ᵨ¿Ç.┤┤ḄÈ⌕ᡂᑖ1FeG,ÊË:ᨬ¤ᵨÍ⏚◀Ð┤Í⏚23>-`ᓄ)*.ᡂÑᓄ-)*Ḅᓄ·¸¹ºoFeO3+6HC>2FeCl+3HOটᙠ.Ö+×¥ØÙ᧕232:Û┤⇨ÜᑖÝÞßᐸÀào¥á`ei.)*.ᡂâãaäåḄ`ᓄ¥ↈçèé
Û`ᓄêaëᑮíîᵨ>┤⇨.ᡂ┤ïðñòÇóe-ᑖᶇᙠᑴö⊤☢
┤⇨஺

51