【中考冲刺】2023年江苏省扬州市中考模拟化学试卷（附答案）

《【中考冲刺】2023年江苏省扬州市中考模拟化学试卷（附答案）》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。

2023
ḕὃᓄ⚪᪥:
:ὃஹᓫ⌱⚪1.“ᦋᗐ᛻⁐”!"Ḅ$%஺'ᑡ)*+,ᔠ.⌕0ḄA.1234ᰦ678⁚:;

1MnO2A.4Al+3O2=2AhO3B.2H2஺2===2HO+O2T2C.Cu+2AgNCh=Cu(NCh)2+2AgD.HCl+NaOH=NaCl+PhO10.'ᑡᱥឋnᵨ⌶Ḅçµᐵé+êëḄA.¸;ᐹᨵì1ឋíîᢝ1¼B.ð;ឋñòíᵨ"óª;C.ôᐹᨵõᵯឋíᵨ"ᵯ÷D.Ca(OH)2ø⁐ùkíᵨᦋú⏚ឋûü11.2021ýþÿᓄᝄ⚙ᙠᓄᑺ⚞ᨵᜧẚḄᓄḄᓄᝄᓄGerhardErtlCOᙠᓄᑺPt/AlO/Ba⊤☢"#ḄẆ%23&'()*+ᓄ,-஺᝞0123456Ḅ789ᑡ;<=>?@ḄAA.234BCDᐗFஹHᐗFᓄᔠJ&KᓄB.2ᓄᑺ>LM⏚ឋᱥQRᔠSTC.UM34ḄCOM&ᡂḄN?ḄᑖXYᦪ[12\1D.2,-Ḅ4ᵨ⏚_Ḅ■aᨵbcᦔe12.fᳮAᓄh=iᵨḄjklmnb9ᑡfᳮ?@ḄAA.oLpq⏘KsLpqtKsḄuAoB.v⏚wxyAz⁐Ḅ|}v⏚~xy⁐M~XᨵᐵC.'ஹ᯼ᱥQᡠᑖ56Aᑖ34D.20࠷1g⏀1gᑮ2g⏀xyᡠ1gv1g*ᐰ34C&ᡂ2gSO213.᝞0ᡠ¡¢£?@ḄAA.5¤¥I

2C.¨ᜮª«ᔾy®D.°±²*ᕡ14.5ᓄ¶·◀¹º=»ᓄᱥḄ¼ᳮ1\KCN+HO2+HO=X+NH3T,XA22A.KOB.KOHC.K2CO3D.KHCO3215.ËÌÍÎTiÐᢙῖ⇨ឋLÔ☄-Ö×*=ᦪØÙᐝÛ᝞ÜËsÎ⌕ᡂᑖATiChÐ1¼ᧇ&àËÌÍḄáâ⌕ᨵ\জᙠäå9ᔣËsMᯖèḄRᔠᱥ=éᐭë*ÎC12Ð,ᑮTiC14bìឋ*®íঝᙠïᨵ*®ð᛻ᩩó9ᵨMgTiCLÐ34ᑮTiMgCL,9ᑡ;<>?@ḄAÎÐ஺A.ËÌÍᙠiå9>M0234B.ঝ=Ḅïᨵ*®Ḅ£ᵨA◞ù×*äåC.ঝ=&Ḅ341-ᣚ34D.জ=Ḅ34TiCh+C+2cTiCl+CO2416.᝞0AaஹbஹcḄᑡḄ溶解度gA.trCaஹcḄ⛳ḄB.t2࠷#50ga'ᐭ50g)*ᑮ50%ḄaC.a-ᨵ/Ḅb,234567ᨔḄ9:;<=>D.t2°CaஹbஹcḄABᱥḄ⛳DEᑮtFC,ᡠ*ḄᑖᦪᜧKᐵMb>a>c17.ᑡḄA.ᔣRSTUᐭ⛳V⏚╄YZ[⁐]^S[6_`aឋB.ᵨ)2d␺fNaClNaOHkBlmC.nopqrs⏚ḄpH2ᐜvpHwxᵨ)yzD.{|}ᛛᧇↈᙠᐰ_ឋᕡḄm18.pẆK`noᙢᮞ⏚┛Ḅᑖᦪᩭ`

3᪵¢£rs⏚200g,¤ᙳᑖᡂ4§;<¨©7ª᝞:¨©1234Uᐭ᪵¢Ḅ5101520_ᡂCOḄ21.763.524.4mᑡ┯®Ḅ¯A.°3ஹ4±²³ᨵᒕµB.⊤mḄᦪ·4.4C.᪵¢⏚┛Ḅᑖᦪ75%D.°3ஹ4±²³s⏚ᙳ¸ᒕµ19.¹º»BᨵឋᕡḄm᩽᧕¾)¿ÀK஺¨©ÂᵨUÃNHV1Ca(OH)2lm-ᔠᱥḄ9ᑴ/Ḅ»ÇÈÉÊËᑮ³Ḅ¨©ÌḄḄ20.dHzOஹCaBr(Îᓄ┛)ஹFesCUÐᧇ;

4C.²³4ÙᨵÑஹÚஹÛஹÜᐗÞḄᓄᔠß6_ᦋaãᓄᑺD.á4ÙḄâ²³9Ù:2⊤Ô2H20O2T+2H2?åEæஹç⚪21.2022é2ᨴ4ì°æᓝîïðᝍᙠᓅó◖õö<஺÷ïðᝍøùúûüýåþᢈ
ᡭ⌼⁐ᝍᢈᝍ஺1ᓅ2022ᝍᐹ!ᦻᓄᱯ⁐ᐸ⌼&ᮣ(ᩭ*“,-”——012345“23”67⊤9:;<ᐝ>?@AḄCDᔣF஺জHᧇJKLC3H8QRKLᐗT?UᐗTḄVWXYᓄᡂᨬ\᦮ᦪX஺ঝKLC3H8QRH`abcdᓄefgḄᓄhijkY஺2ᝍl“mn”Ropqr?ᢈstḄuvwᔠ஺জlyᵨUQ{HᧇR⁐|ᝍḄᳮ~UQHᧇ
“᣸”ḄJᵨᓄhijk஺ᐵlḄHQᐵlᰐyᵨḄᳮJ஺ঝl᜜yᵨ?ឋ᪛ᾦᔠᙠᡂḄᔠᩞᧇVWᨵḄ1/4¡¢J£¤JḄ7~9¨.ªᑡᩞᧇ¬ᔠᩞᧇḄJ®¯°஺A.²³´B.·ᴻC.¹ºঞl“mn”Ḅ᜜ᵫᔠᩞᧇᑴᡂ¾¿ᐹᨵ“ÀஹÂஹv'’ḄᱯÅÆÇᙠ1000CḄȤªÉ¾ÊஹË஺̪ᱯឋ?ÍᩞᧇÎᐵḄJ®¯°A.ϤÐB.ὊÈC.ÒᵯឋÔ3I.!Ö×Ø✂“ÚÛÜ”yᵨ☢ᔣÞᩭḄᓫàáᔣâãäåæçè᪀êëì⚔ᡠᵨᩞ2800ᔴ஺ð¬ñòóWᨵ▲õb┤J÷ø☢ùḄú⚪஺õb┤Ḅü⌕ᩩÿ

5
oᑏᑭᵨᓄ⌕ᡂᑖ
Fe2O3Ḅᓄ஺௃1.$%&'✂“*+,”.ᵨḄ
CO?12345ᑴ*78
9:;3<ᨬᐜ?@AḄᑴ*ᢈC஺জFC02HIJKஹMN7OPQR*஺S᪀ᡂᱥVḄWXYZᑖ᪆7\]⌕ᦋ_Ḅ
—oঝbᓄ
cᜩᯠḄf⁐@Aᑴ5ᑺ7iᐹᨵḄᵨ⌶
mc஺4oᝍf⁐@A7ᐰ☢st“uv”஺জᡠᨵx✂ᐰyfᵯ{|7fᵯᩭ~m஺A.□B.᯼C.ঝoᝍḼ]1000~79:HḄ
~⚞ẆḄ7c╅ᔠOᵨ஺╅ஹᓫVᢥ£¤ᙠ¦N§¨ᰚQᑮ<«ᔠ஺ᙠᰚ¬®ᐭ°H7ᐸ9Ḅ
஺350࠷¬7\╅ᔠ´Hµ|7¶ᡂ·c¸¹╅ஹºcᐗ¼Ḅᓄᔠᱥ7\ᓄᔠᱥḄ½Fᑖ¾V¿À48,ᐗ¼ḄV¿ᑖᦪÄÅ7.7%,Èᑏ\ᓄᔠᱥḄᓄ஺5ᓅÊoᝍា⌾u$Íᔊ᧡⁚7ÑᓫÒ“u$Óᕡ”জÕÖ✏HØÙ7WÚZ§ÛÜᐸÝ
oঝÞ⚶uḄàáâᾙ7àäåæᨵ⃩è7iÅéᕒë{Ḅ⃩è¼⌕
—oঞᓤ⚶uḄ¨ᑡÖï7æ¹ð¶¼Ḅ
—m஺A.ñòóôB.õö☢C.à᮴øùúஹûᔠ|ᵨ⚪22.ᙠsýþuÿᵨ
ᓄ⏚ᐳᑴḄᓄ:AMnCh+4HCl!"=MnCL+Cl2T+2HO2)*+,ᑡ.⚪0!1"I,C12Ḅᑴᜓ氨氧化钠溶液᪷6789ᑴᜓC12Ḅ:ᳮ<->⌱ᵨḄ@ABCD.!FG

6H"஺!2"JKLMḄNᑭᵨBCD◀RCb>TᨵḄVBCE>X⏚ḄYᵨD஺Z[X⏚\ᑮ^_`abDo!3"<
ḄBCᵨeᦈgCL,ᑣijḄ!F“a”ᡈ"b”"qᐭ஺abqyzᔾᦈ)|}~Ḅᓄ0NaOH+Cb=NaCl+NaC10+_______HO2!5"n.CLḄឋᵨ⌶᪷6ឋNᵨឋḄឋḄjḄwx>CᣚᩭVᳮᓫᙠ~Ḅ஺ᓫឋᐵ᝞,0C1>I>S.¤ᑏ[CbuᐭNa2swx>Ḅᓄ22!6"CbNᵨeA¨“84”ª«x!ᨵᦔᡂᑖNaClO"⏚஺জ᪗NaClO>ᐗ²Ḅᓄᔠ´D0ঝ¶·`¸ᵨ¹ᑴ⏚ᙠ789ᡃ»¼½¾⏚pH,ᨬÁÂḄÃDÄᵨ¼½ḄÅYDo23.ÆÇẆÉÊËÌÍÎÏÐ!Ñ⌕ÓᨵCsSஹZnOÖ×Øwឋᩖ"qyᱥÛLÜ7aÌᱥÝᔠᑭᵨ஺Þᑖ78ß᝞,0

7⏚ᱥAឋZnO)᪷6`à78ß*+,ᑡ.⚪0প“ᯏã”!äåæØÄᰚᓄ">AᡂCuOSO2,éiêë᣸íîÄïðpHÉe—ñᡂ⏚ï஺ফ“⏚ó”ô@AḄõöDÖ஺ব“Cᣚ”ôḄ!ᑏÖøᓽN"஺úû2Ḅᡂᑖ!Fᓄ"஺ভ“ᓄ”ôý═⏚ÿ
ᓄ
Fe2+ᓄFe3+,⁐ᓄὃ⇋ᱥA⌱ᵨ#ᔠ〉஺ম(ᔠ)⏚+,ᵨ-./ᐸᓄ12⊤4[FeaOH9SO4c]஻஺?@ABC(ᔠ)⏚+D+EFG)⏚᪷EFḄJK7M15,ᑣ6M஻=஺SஹUVW⚪24.ᓄZ[\⌕Ḅᓄ^_ᧇ஺CabᓄZḄឋdef᝞hVW:NaOH!"250mL2

8j3j41〉JNaOHklmᐭopqrsḄD/tuᑮ\wrs/xyNaOHklz{—}“ᔾᦈ”ᡈ“m”J஺2
1DḄ
ᐭj1ᵯD/ᔠᐵ/ᐝ/xyNaOH
ᐹᨵᵯឋ/NaOH}“ᑖF”ᡈ“EF”1ᑖᦣᙠD஺
3ᙠᨵNaOH
ḄD/23⁐¡¢£
/¤⌲ᐭ¦§⏚/¨¨ᵨ©ᴻ«ᤅ/®
¯⁐o°{/¦§⏚NaOH
ា°²ᐰ´µ஺4ᢥj2ᡠ4de?@/H2ONaOH
a{ᐰ¸¹ᐭº»¼D/tuᑮU½ᑁ
☢,xyCO2NaOH2À´µ஺5VWNaOH
FeSCU
Ḅ´µூde?@1௃ÃaNaOH
ᐭᨵFeSO4
Ḅ£½D/tuᑮᨵÄ⁐ÅÆÀᡂ/È{ÉᑁᓽËÌ⋎⁐஺ூÎ▅Ðᧇ௃FeSO4+2NaOH-NaSO4+Fe
OH2IÄ⁐Ñ2Fe
OH2Ò᧕Ô»ᓄM4Fe
OH+O+2HO=4Fe
OH3Ì⋎⁐஺222ூÕÖ⚪௃᝞×ØÄ⁐ÅÆÙ{ÉÚᙠÛூde?@2௃ᦋd?@ÝÞ᝞j3ᡠ4/tuᑮÄ⁐ÅÆÚᙠ{É#Ù஺ூßà´á1௃ÝÞD᯼ãḄäᵨ[஺ூåÖ⚪௃æçÄ⁐ÅÆmÞèé{É/êëᓄÌ⋎⁐ÅÆ஺ூde?@3௃ᑖ᪆_í/¤îᦋd?@ÝÞ᝞j4ᡠ4/ᡭqᜳKiஹKÑ-2é{É/ᐵKi,ᐹñ£½BDåÄ⁐ÅÆ/ò
☢óôᐵK2,ᡠBÄ⁐ÅÆõᢝ÷Ù{É஺ூßà´á2]জᐹñ£½ADÀ´µḄᓄùú1oঝH2ḄäᵨᨵMa.᣸ÝÞD
æùḄý»Ñb.M

9c.AD
ÿᐭB஺ூ௃NaOHᵯឋᓄᱥஹ⏚"#$ᱥ%&'()஺*ஹ+,⚪25.20195678ᓄ9ᝄᣴ<=┞?@ᵯAẆCDEFGḄIJK9L஺᝞NOPQ⏚┞R᩽ᱏUV⌕ᡂᑖZQ⏚┞(LiCoO)abᦈdᑮCO2O3"Li2cO3Ḅhijk+2,஺H2SO4HO::(1)lD1◀nopR᩽ᱏq᜜stquvḄwxᩭz{()|᳛~(2)lD2OvᙠᴻḄDᵨO,v|᠒ḄtO~(3)+,'ᡂCOC2O4Ḅᓄ9w,Z,␺Oᔲ()ᐰḄlDO~lD3Ov"COC2O4Ḅ᪗ᨬh¡,ᔣᐸ¤z(ᑏᓄ9)¦§⁐©ª'ᡂ~(4)lD4C0C2CUᙠ¬ᯏ¯'ᡂCO2O3"CO2,°()(±“O''ᡈ"¶O”)ᑖ¸()~(ᓄ9()ᨵᐗ»ᓄᔠ½¾ᓣÀᨵᐗ»ᓄᔠ½ÁÂ)(5)lD5Li2cChᨔᵨÅÆᵨÇÈὑÊËÌÍLi2cChḄ¸ÎÏᓣÐÑ(±“Òᜧ”ᡈ"ÔÕ”)஺(6)×ᨵØQ⏚┞49%ḄR᩽ᱏ100kg,Üv¾ÝjÞᑴdLi2co3ᨔ14.8kg,7ijLiḄᑭᵨ᳛Z»(ᑏäåv,)æçজLi2cCh.LiCoChḄé=ᑖ@%êZ74ஹ98~▭ïðᐗ»Ḅ%êঝᑭᵨ᳛=xl00%ᧇòᐗ»Ḅ%ê

10õὃ÷ᫀI.Aூù¸௃A.úûüýᰦÿ
ᔠ⚪B.᎝᣸ᔠ⚪C.᪛⌼᪍ᦋᗐᔠ⚪D.ᚗ!ᑖ#$ᦈ&⁚()ᔠ⚪஺ᦑ⌱A஺2.Cூ./௃ᨵ2ᱥ4ᡂḄ7ᓄ9ᓄ:7ᓄ;2ᱥ4ᡂḄ7ᓄ9ᱥᳮ7ᓄ஺Aஹ>?@A9B@A⊤☢Ḅᩖ◀ᣵHᨵ2ᱥ4ᡂIJᱥᳮ7ᓄK⌱⚗ᔠ⚪BஹM@AᣛO9ᢣ@AḄQRS4T7ᓄHᨵ2ᱥ4ᡂIJᱥᳮ7ᓄK⌱⚗ᔠ⚪Cஹ@AS⏗ᡂVᨵ2ᱥ4ᡂIJᓄ:7ᓄK⌱⚗ᔠ⚪DஹᵨXYZ[\]^Hᨵ2ᱥ4ᡂIJᱥᳮ7ᓄK⌱⚗ᔠ⚪஺ᦑ⌱C஺3.Bூᑖ᪆௃`Iஹᜧbᦪd᝱f`Iᓫஹhᨵijᵫlm᪀ᡂ᝱Ḅf`Iᓫopqᵫf`IᐗstᡂḄᓄᔠᱥᵫᑖm᪀ᡂ᝞vஹwjpqxᨵ`Iᐗsof`IᐗsḄᓄᔠᱥᵫym᪀ᡂḄ᝞zᓄ{஺ூ./௃Aஹ|IJ`Iᓫ9ᵫ|lm}~᪀ᡂḄᦑA┯Bஹw9ᵫf`IᐗstᡂḄᓄᔠᱥᵫwᑖm᪀ᡂᦑBCஹ`9d᝱f`Iᓫᵫlm᪀ᡂᦑC┯Dஹzᓄ{9xᨵ`Iᐗsof`IᐗsḄᓄᔠᱥzᓄ{9ᵫ{ymozym᪀ᡂḄᦑD┯஺ᦑ⌱B஺4.Bூ./௃AஹwḄᕈឋBஹḂwḄᕈឋCஹⅅwḄᕈឋDஹwḄᕈ⏚ឋᦑ⌱B஺5.Dᫀ1⚓ᐳ12⚓

11ூ./௃Aஹᒹxஹஹhᨵiஹᓄஹᐸ¡ioᩖIJ¢ᔠᱥ஺A┯Bஹ4¤9-p¦ᔠ`9¤oḄ¢ᔠᱥIJ¢ᔠᱥ஺B┯Cஹwxᨵzᓄ{owIJ¢ᔠᱥ஺C┯Dஹ©w¢ᔠᱥḄ©owª9w«9IJwḄ¬Q᝱IJ¬¦ᱥIJ®ᱥ஺D஺ᦑ⌱D஺6.Bூ./௃Aஹ±²᪗9´µ¶᪗·Bஹ±²᪗9⁚(ᵨw᪗·Cஹ±²᪗9¸$ᦈ᪗·Dஹ±²᪗9⁚¹᪗·஺ᦑ⌱B஺7.Dூ./௃Aஹᓄ┛Jw¼½4ᡂvᓄ┛¾¿¼½ᦑAᔠ⚪BஹÀÁᙳ¾¿¼½Ã⏣ÀÁ¾¿¼½ᦑBᔠ⚪Cஹ⏚Åvᓄ{¼½¾o¼½o¼½¾¿¼½ᦑCᔠ⚪DஹᜧbᦪᱥḄᑖ/¼½9ᔾ¿¼½ᮞᙠÉÊËᑖ/¾ᔾ¿¼½ᦑDᔠ⚪ᦑ⌱D஺8.Cூ./௃ÍÎᱏx⏚v{ஹ⏚Ðὅ4ᡂ⏚{oᓄowiÒ⌕9ᓄᦑÔÕC»9.Dூ./௃Aஹ4A1+3O2=2ALO3,±¼½ᔠ“b7p”ḄQãᔠᓄᔠ¼½ḄᱯåIJᓄᔠ¼½ᦑ⌱⚗┯MnO,Bஹ2H202^=a2a0+023±¼½ᔠ"p7b''ḄQãᔠᑖ/¼½ḄᱯåIJᑖ/¼½ᦑ⌱⚗┯CஹCu+2AgNCh=Cu(NO3)2+2Ag,±¼½9p¦ᓫop¦ᓄᔠᱥ¼½4ᡂôp¦ᓫoᫀ2⚓ᐳ12⚓

12ôp¦ᓄᔠᱥḄ¼½IJõᣚ¼½ᦑ⌱⚗┯DஹHCl+NaOH=NaCl+HO,±¼½9Цᓄᔠᱥøùᣚᡂᑖ4ᡂЦ2ḄᓄᔠᱥḄ¼2½IJúᑖ/¼½ᦑ⌱⚗஺ᦑ⌱D஺10.Dூ./௃AஹᐹᨵüÀឋ¸ýᢝÀÁ⌱⚗ÿ
Bஹឋ᧕ᐸᱥᵨ⌱⚗
Cஹ!ᐹᨵ$ᵯឋᵨᵯ&⌱⚗
DஹCa(OH)2ᐹᨵ.ឋᵨ/ᦋ1⏚ឋ34⌱⚗
ᦑ⌱D஺11.Cூ;<௃Aஹ?@CᐗBᓄᔠEᑖGH+2ஹ+4,ᐗBᓄᔠEᑖGH+4ஹ0,ᦑ⌱⚗
BஹMNᓄᑺPQRSᓄTUV⏚ᡠXV⏚ឋᱥYᔠᦑ⌱⚗
NᓄᑺCஹZ[\]ᑡ_`abH4CO+2NO^=4CO+N,cSᓄdᑖefᦪh222H41,ᦑ⌱⚗┯jDஹMklmPḄTSᓄXkl⏚oḄpᡂᦑ⌱⚗
஺ᦑ⌱C12.Bூ;<௃Aஹ.VrsᲩuvVrswuvḄxy.᝞d⏚{|}~.ឋ/⌱⚗┯jBஹ⏚{|}y⁐Ḅᵫ/⏚|}⏚{|}PxQᨵᑖe⏚᪷e⏚PQᨵeᦑ~⁐eᨵᐵ⌱⚗
Cஹ_ஹ᯼ᱥᑭᵨḄyᔜᡂᑖḄᑴ¡ayᱥᳮuᓄ⌱⚗┯j஺Dஹ20࠷¤1g⏀§1g¨ᑮ2g⏀§|}/ᱥᳮuᓄ1gª1gS«ᐰ@ᡂ2gSCh/ᓄ°uᓄ±ὅḄ³ᳮyḄ⌱⚗┯jᦑ⌱Bo13.D¶ᫀ¸3⚓ᐳ12⚓

13ூ;<௃A.¡»¼P◤⌕ᵨ¿ᴻÁÂÃ\P¼┯jÄᔠ⚪ÆB.ÇᵨÈÉÈÊcËÌḄ}ËÍᦪ¤Î&}ËÏ}☢ḄᨬÒᜐᢝÕ\P¼┯jÄᔠ⚪ÆC.ÖᜮØÙᔾÊ}ˤVᔣÜᑺÝPᢴßÖàáâãÜᑺ\P¼┯jÄᔠ⚪ÆD.äåᕡ¤Vçèᵨée☠ëÝìäíHᨵîåᨵï⌕ᵨðᙠÝìòòᡧôõlÈᕡö÷éῚ÷ùúä\P¼
Äᔠ⚪Æ஺ᦑ⌱D஺14.Dூ;<௃᪷ûᓄ°?@³eḄfᦪxáüᦋuý?ᨵ1fþ³e1fd³e1f³e4fÿ
3
ᨵ1
3
xᑖ
ᨵ3
1
1
1
஺ᦑ⌱D஺15.Dூ௃Aஹ#$%ᢙῖ⇨ឋ*+☄-./0ᦪ23ᐝ5᝞789ᐸឋ;<=>?@AB0ᦑACDAEᔠ⚪HIBஹKᨵ0LḄᓄOឋ;<=ঝḄKᨵ0LḄQᵨS◞U/0■W#$XᓄᦑBCDAEᔠ⚪HICஹᙠKᨵ0L[᛻]^_ᩩa@ᵨMg]TiCLgᑮTi]MgCh,ঝSᵫlᓫ;Blᓄᔠᱥoᡂqlᓫ;Bqlᓄᔠᱥ$.-ᣚᦑCCDAEᔠ⚪HIDஹᙠs?@ᔣ#uvBᯖxḄyᔠᱥzᐭ|0}CL~,gᑮTiCL.]lឋ0L⌱⚗ḄᓄAᐹᨵឋᦑD┯Eᔠ⚪HIᦑ⌱D஺16.Dூ௃AஹtrCaஹclᱥ;ḄS⛳]Ḅ;A*D=ᡠ⛳];Ḅ;A=⌱⚗┯IBஹ᝞t2࠷aᱥ;ḄS50g,ᓽ?@100gᨬ*50ga,ᑣWᓃ?@50gᨬ*25ga,¢50ga£ᐭ50g¤*25g,ᨵ25g¥¦ᫀ¨4⚓ᐳ12⚓

14⛳];;ᑖᦪS஺¬x100%a33.3%,⌱⚗┯ICஹ᪷®¯°±aḄ²?³´ᜧbḄ²?³´¶ᙠ·s?@¸yᔠᱥ¹ᑴᡂ⛳]ᯠ¼?ᑣa½¾¿¶Àᜧ᪆ÂÃÄÅᓽgᑮa,ᦑayᨵÆḄb,zÄÇᓾ_⛳]ḄÉÊËÌÍÎ⌱⚗┯IDஹᵫ.ᙠt2°CÏlᱥ;Ḅᜧ¶ᐵÑSa>b>c,ᵫ.a]cḄÒ?Ḅ¼ÓÔ¶¼?ᱥ;Ḅ⛳]ÕÀᨵᨔL᪆Â3×⛳]ᵫ.ᙠt/CbḄᜧ.aḄ¼?bḄ;Ḅ;ᑖᦪᜧ.aIcḄÒ?Ḅ¼ÓØᜧ¼?ÙḄ⛳]ÚÀ¿ᡂA⛳];Ḅ;ᑖᦪAÀÛo¿ᓄÜÝÂcᙠt2°CḄ¶.a]bᙠtrCḄᦑ¼?Ïlᱥ;Ḅ;Ḅ;ᑖᦪḄᜧ¶ᐵÑ×b>a>c஺⌱⚗CDI¦ᫀ×ÞD஺ூßà௃á⚪âã⌕ὃæçLḄ¯°ᡠ⊤éḄHêë᪷®çLḄ¯°ᩭíᐵḄî⚪Üïðᑖ᪆î⚪ஹíî⚪Ḅ*ñ஺17.Bூ௃Aஹòóôõóö;ᔣòóô^ᐭ⛳]÷⏚╄À¼ÓÜ᪆ÂÛoú᪆ÀûüᑮÂýö⁐ÿ
Ḅᳮឋᨵᦋ
ᦑA┯Bஹᵨ␺NaClNaOH
ᙳ!
"ᐭ$%ᵨ&'᥎)*᜜,
-./ᓣ1Ḅ234ᓄ6
-./789Ḅ2:ᓄ6
;<9=
␺
ᦑB>?Cஹ@ABC/DE⏚ḄpHG
HᐜJpH)KᵨLM
NO@PḄpHNQᜧ
ᦑC┯DஹSTUᛛᧇᵫCஹHᐗZ[ᡂ
]^_ᱥab4ᓄc
defឋg_
ᦑD┯ᦑ⌱B஺18.Cூkl௃Aஹᵫ⊤opq1pq2Ḅᦪstuv
5g᪵xyᐰ{|ᡂ1.76g,}3~"ᐭḄ᪵xu}2~5g,_b4ᓄc4.4g-3.25g=0.88g<1.76g,pq3ᫀ}5⚓
ᐳ12⚓

15᪵xoc⏚┛ᨵᒕ
pq4o᪵xᨵᒕ
ᦑA>?Bஹᑖ᪆⊤oᦪsv
pq3o᪵xᨵᒕ
"5g᪵x
9{|
ᡠpq4oᡂCChḄa4.4g,ᓽmḄ|a4.4,ᦑB>?Cஹ5g᪵xoc⏚┛ḄaX஺CaCO,+2HCl=CaCl+HO+COT22210044x1.76g100x1.76glPx=4g᪵xoc⏚┛Ḅᑖᦪaᗐxl00%=80%,ᦑC┯5gDஹᵫ⊤oᦪsv
}3ஹ4~{|o᪵xᨵᒕ
E⏚{|yᐰ
ᦑD>?஺ᦑ⌱C஺19.Dூkl௃Aஹ)*oḄ"G
)*|ᶍᔣ¡¢£
■¥¦§᎔©
ª«)*
9¬ᔠ⚪¯BஹC°⏚ᐹᨵᔾឋ
³2C°⏚´µg{|
9ᵨ!¶·µg
9¬ᔠ⚪¯Cஹµg¸/u¹gº
|ᵨᔣ¡᣸¹g¼ᦈ¾
9¬ᔠ⚪¯Dஹµg᩽᧕!
ᵨᔾᦈµgÁg
¬ᔠ⚪¯஺ᦑ⌱D஺20.Bூkl௃Aஹᡂ3gḄax,3FeBr+4HO=Fe,O+6HBrT+H,T2244862243gÂ2_x486-243glPx=lg,ᦑA>?Bஹ{|"ঝ”2BnCaO{|ᡂCaBnᓫᓄᔠᱥ{|ᡂÇᓫÇᓄᔠᱥ
È!Éᣚ{|
9¬ᔠḄᱯÌ
9È!ᑖl{|
ᦑB┯;ᫀ}6⚓
ᐳ12⚓

16CஹᵫÏv
জoᨵ3ᐗZஹÑᐗZᓄᔠÒḄᦋ
ঝoᨵÓᐗZஹ4ᐗZᓄᔠÒḄᦋ
ᦑ{|ÔÕoᨵ3ஹ4ஹÓஹÑᐗZḄᓄᔠÒÖ×ᓄ
ᦑc>?DஹÚ{|ÛᳮÏv
FeBnஹFeO4>HBrஹBnஹCaOஹCaBr?ᱥè2Bé{|Ḅᡂ3ᱥ
ê2Çé{|Ḅ{|ᱥ
ëᩭí
ᙠïᓄᑺḄñᵨ¡1.ᑖlᡂ3g4g
ᦑD>?஺ᦑ⌱Boᓰ]21.(1)92C3H8+502”^3CO2+4H2஺(2)2H+O-2HOᱥBC222বஹᐙᑖFe2O3+3CO==2Fe+3CO2ᑖḄ◞᣸ᑡ!"#ভAC&'(MgH2(5)ᑖᙠ/0ᙢ23456Cூ8᪆௃পজ=>?@ᐗBCᐗBḄ6DE=(12x3)H(1X8)=9H2,ᦑN9H2஺ঝ=>ᙠQḄᩩSTUVWᡂYᓄ@[\ᦑUVḄᓄ]^!ᑏ`HQC3H8+5023CO2+4H2஺஺(2)জCᧇde“g᣸h”ḄjklCᙠQḄᩩSTUVmWᡂ

17ᨵWᡂᨵᓰqrst\ᦑUVḄᓄ]^!ᑏ`H2H2+0242H20uᐵw#xḄyᐵ\z#xᰐ"\|ᵨḄ"#jᳮlᱥ\ᱥ/\ᦑNᱥ஺ঝAlᛛᧇ\ᨵᔠᡂᩞᧇ\⌱⚗┯uBᴻᛛᧇ[ᴻᔠᡂḄᩞᧇ-\ᔠᩞᧇ•\⌱⚗uᫀ7⚓\ᐳ12⚓

18C¢£lᔠ¤\¤ᩞᧇ\⌱⚗┯\ᦑNB஺ঞA#x“¦§”Ḅ᜜©ᵫ@ᔠᩞᧇᑴᡂ\/¬ᐹᨵ“®ஹ¯ஹ°”ḄᱯQ\ᓽ³´µ\⌱⚗uB#x“¦§”Ḅ᜜©ᙠ1000࠷Ḅ·´T¸/¹º»ஹy¼\ᓽὊ¾·\⌱⚗uc#x“¦§”Ḅ᜜©ᵫ@ᔠᩞᧇᑴᡂ\¿ᵯឋÂÃᐵ\⌱⚗┯\ᦑNC஺(3)1ஹW┤lÅÆ☢ÈḄÉ⚪\lË?ḄஹᐳÌ&ᵨḄÍÎ\ᓽW┤ḄÏ⌕ᩩSlஹᐙᑖ\ᦑNஹᐙᑖuᓄᓄ@ᙠ¾·ḄᩩSTUVWᡂ[Yᓄ@\ᦑUVḄᓄ]^!ᑏ`H¾·FeO+3CO^2Fe+3C0o232ILজÑCO?rÒÓஹÔ·\ÕÖ×Ø\lYᓄ@ḄÙ᝱ÛWÜÝᓄ\Þß^?\Yᓄ@ᑖàá/Ý\Ï⌕ᦋÝḄlᑖḄ◞᣸ᑡ!\ᦑNᑖḄ◞᣸ᑡ!஺ঝYᓄ@l-ᜩᯠḄå⁐ç'ᑴèᑺ\Yᓄ@/ê¸/ëᢝê\ᡠîïᐹᨵḄᵨ⌶l"#\ᦑN"#஺(4)জᡠᨵñ✂ᐰôåᵯõV\åᵯᩭ÷øùஹú□ù\ùüýþYᓄ@Ḅ᣸h\ᦑNACoঝᙠᰚ
ᐭ◞■ᓄᓽḄᑭᵨᦑ!"╅ஹ%&ᐗ(Ḅᓄᔠᱥ+ᓄᔠᱥḄ,-ᑖ/012348,ᑣᓄ567╅8/Ḅᦪ:1,%ᐗ(Ḅ01ᑖᦪ;:7.7%,<+ᓄᔠᱥḄᓄ56:MgHx,ᑣ24=xx-(1-7.7%)=7.7%,x=2,ᡠ@+ᓄᔠᱥḄᓄ56:MgH2,ᦑMgH?஺(5)জᑖ/ᙠDEᙢGHIJ7ᐹᨵ✏ᕡḄᱥ0Ḅᑖ/GHᑮPḄQRᜐTPUᑮ✏ᕡᦑᑖ/ᙠDEᙢGH஺VᫀX8⚓ᐳ12⚓

19ঝ]⚶7Ḅ_`aᾙ7c"de0f:GHᕒhiḄ⃩k(l⌕de0ᦑde0஺ঞAopqrc"de0⌱⚗┯vBw6x☢7c"z{⌱⚗┯vC_᮴}~3{Jᱥc"(⌱⚗ᦑC஺22.(1)C(2)ᓄ%`e(3)a(4)21111(5)CU+Na2s=2NaCl+SJ(6)c'pHᵨᴻ↾⏚ᑮ3e(ᡈᴻᱏ)ḄNaloḄpHᯠ¡ᕈ£Ḅ¤⁐¦᪗¨©⁐ᓱ-᯿¬ᦪூ®᪆௃প²³´ᑴ¶·⌱¸Ḅ¹º»(¼½ᱥḄ¾᝱À¼½ᩩÂ஺ᵫ⚪ÅÆᙠ²³´7ÇᵨÈᓄÉÀÊ⏚ᐳËᑴ¼½ᱥḄ¾᝱ÌÀͼ½ᩩÂÎ˽⌱¸ÌÍÎË϶·ᦑ=CoফÊ⏚ᐹᨵᢵ¶ឋᡠ@ᑴḄ7Óᨵ`Àᓄ%Åᵨ⛳ÀḄᓄÕÖÍ◀Øᓄ%⛳ÀᓄÕÖÍÅÙÚḄÛὑÝᑭᵨÊÞ⏚Ḅᔾ`ឋ◀Ø`ÊÞ⏚ᐹᨵῃ`ឋáâÊÞ⏚ᑮeÅῃØe7Ḅ%ᐗ(ᶇäåᐗ(eåᓄ£æe஺ᦑ=ᓄ%`e஺(3)᪷ºḄ,-ᑖ/0171>29(èḄéᙳ,-ᑖ/01)Ḅëì©èᜧᡠ@ᵨîï·ᦈñ
òóôõᐭ஺(4)+ö÷6øéÅᵨùúû஺øéḄᓄ5ö÷6:=2NaOH+Cl=NaCl+NaCl+HO,ᦑ=21111஺22VᫀX9⚓ᐳ12⚓

20(5)᪷º⚪ýþÅÆÿ
ᓫᙠ
ḄᵨឋḄ
ᓫឋḄ
Ḅᣚᩭ!"
ᓫឋᐵ$᝞&'Cl2>I>S,/Ch1ᐭNa2sḄᓄ789:;'Cl+Na2s=2NaCl+SJ,ᦑ@'22J+Na2s=2NaCl+S(6)᪗NaClOFᐗHḄᓄᔠJ◤LMNOᐗHᓄᔠJ᪷QᙠᓄᔠᱥSTᓄᔠJUᦪW;XᩭYZNOᐗHᓄᔠJ஺ᓄᔠᱥ\ᐗH]+1J_ᐗH]-2JaFᐗHᓄᔠJ;x,ᑣ(+1)+x+(-2)=0,Ḅ4+1,ᦑ@'MaClO°ᙠijklmn⏚pH,ᨬstḄ8uvwᵨpHxylmḄz{v'ᵨ|ᴻ~↾n⏚ᑮ(ᡈ|ᴻᱏ)ḄḄpHxyᯠ/]Ḅ⁐᪗⁐ᓱ᯿ᦪ஺ூ௃⚪Ḅ¡¢⌕7¤"¥Ḅ¦§᝞CLNa2s89:Ḅ©ᑏ஺23.5.6®ᑖ¡°±Fe+H2sO4==FeSCU+H2TᡈFe+CuSO4==Cu+FeSC>4FeஹCu¸_¹1:2(ᡈ0.5)ூ»¡௃প½¾¹ḄpH<5.6ÀÁ;⏚¾஺ফ“⏚Ä”ÀÆÇḄ°±v'CuO+H2sO4==CUSO4+H2OஹZnO+H2so4==ZnSCU+H2O,ᵫÌÍᓄᔠᱥÎÏᣚᡂᑖÇᡂÑ᜜ÌÍᓄᔠᱥḄ°±v®ᑖ¡°±஺ব''ᣚ”À°±Ḅ89:;'Fe+CuS04==Cu+FeSCUஹFe+HSO4==FeSO4+HT,ÕÖ2Ḅ22ᡂᑖvÇᡂḄ×ØÙÚḄÛ஺ভ⌱ᵨ¸_¹Þᱥßàáâãᦑ⌱¸_¹஺ম[Fe4/(OH)b(SO4)c]஻Ûëìí⏚᪷ëìḄÚ;7'15,ᑣ—=77,c=^,ᓄᔠ96c154ᱥ□ëìᡠôḄSᵯ₹÷ᦪø▢ëìᡠôḄTᵯ₹÷ᦪ3a=b+2c,3a=b+2x=,¡4b•a=1:224.ëìú;ß⁐ûüýþ◞
Fe+HSO=FeSO4+Ht242■
ᓄ
ᓄூ௃(1)!〉#
ᓄ$%&'ᐭ)*+,Ḅ./.01+,23
ᓄ$%&45'67#஺ᦑ:;'6஺<ᫀ>10⚓ᐳ12⚓

21B2CᑖEFGᵯ
ᓄ$4I.JKᡂMᵫOPḄ$QER
᪷QETUᐹᨵGᵯឋᦑ:;QE.B3C
ᓄ$ᐹᨵ[ឋ\]⍗[_`Taᔣcᨵ\⏒:Ḅ
ᓄ$4f/cgh⏚j4fk⁐)mᵫ`⁐_n⁐5⊤3ph⏚R
ᓄ$ាmrᐰtuᦑ:;_n⁐஺B4C
ᓄ$ᐹᨵ[ឋvᔾᦈ⏚ឋ&y
ᓄzTa!.R
ᓄ$4f{5ᐰ|}~/ᑁ&ញᒓញᒓ!UKᑁᱥᐭ6”ᦑ:;஺B5C[t1]᯼F4I.¡¢.£ᙠ¥⏚4f/gᐭ᯼v¦ᑮ◞
Ḅᵨª«
ᓄ¬®¯°ᓄ
ᓄᦑ:;◞
஺[t2]জ²³A/µ¶Ḅ·¬p¥⏚tu¶ᡂ¥⏚RḄtutuḄᓄ¸¹º»·;Fe+HSO—FeSO+H2t½ᦑ:;Fe+HS0—FeS0+Ht஺2442Ct2ঝv¿■
ᓄ
ᓄᦑ:;■
ᓄ
ᓄ஺25.পᤅÂBᔠᳮᓽvCB2CÆÇÈÉᨵÊËÌᧅᑁÎᡈÌᧅÐÑÉᨵÊ☠ÓÔᑁÎবBNHCO4€OSO=COCO+
NHSO4224424424Ö×ᙠØÙÚf/gᐭBNH4C2C2O4,nÞ߶ᡂ23rᐰtuBaChBᔠᳮᓽvCB4CF·B5C£7B6C100kgç᩽ᱏ/┞ᐗìḄí#;100᱐x49%x|xlOO%=3.5Zg987x2z⏚┞/┞ᐗìḄí#;14.8&gxᜓ=2.8÷ᑣLiḄᑭᵨ᳛;1^-xl00%=80%35kg<ᫀ>11⚓ᐳ12⚓

22ூ
᪆௃পÿ1
◀᩽ᱏ᜜ᤅᩭᱥḄ!᳛#(2)$%&ᴻ(Ḅᵨ*+,-#$!᳛.᠒0*$12ᨵ456ᧅᑁ9ᡈ6ᧅ;<2ᨵ4☠>?ᑁ9#(3)-@
AᡂCOC2O4ḄC(NH5C2O4DCoSO4AᡂCOC2O4DE⏚GHḄᓄJ@KC+(NHJcq4KosC)4=CoC2OJ+(NH)SO#4424␺M*ᔲOᐰḄQ*+RSᙠUVWX
ᐭ(NHQ2C2O4,Z[\Aᡂ]^Oᐰ#᝞`COGO4ab2ᨵcdefcdX
ghE⏚᪷jkljk0mE⏚᪷jknᔠAᡂE⏚l[\ᦑqᨬstucdXᔣᐸ
xBaC12yXZ^z{|]^cde}#(4)C0C2CUᙠ~
ᯏ>AᡂCO2O3DCO2,COC2O4
ᐗz+2ᐗz-2᪷ᓄᔠᱥ
ஹᓄᔠḄᦪDCᐗz+3CO2O3
ᐗz-2᪷ᓄᔠᱥ
ஹᓄᔠḄᦪDCᐗz+3ᓄ
ᐗz+4ᐗz-2ᐗDᐗḄᓄᔠᓣᦑᐗᓄᔠᦑmᱥᨵ*ᑖ#(5)Q5
Li2cChᨔbᵨcdᵨcdὑ¡¢]^Li2c03ᙠ
y£¤]^⏚┞Ḅy£¦§£ᓣ¨©¤#(6)ª«ᫀ஺«ᫀ®12⚓ᐳ12⚓