2021年山东省潍坊市中考化学二模试卷（附答案详解）

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19D.ᱥᵫᐗᡂḄ᪀ᡂᱥḄᨵᑖஹ┯"஺ᦑ⌱&C஺A.᪷(ᙢ*+ᐗḄ,-ᩭᑖ᪆B.᪷(ᱥḄᑖ0ᩭᑖ᪆C.᪷(1Ḅᡂ2ᐸᔜᡂᑖ4Ḅ,-ᩭᑖ᪆D.᪷(ᱥḄᡂ56᪀ᩭᑖ᪆஺ὃ8ὃ9:ᱥḄᑖ0ஹᙢ*+ᐗ,-ஹ1+ᔜ;4Ḅ,-ஹᱥḄ᪀ᡂ<=>?⌕ABCDᨵᐵḄFG8ᙠᳮJḄẠLAMNᵨὃ8ẠឋQRBS⌕TUᙠ⌱V⚪X1⚪+஺8.ூ[ᫀ௃DூJ᪆௃J&᪷(⚪^_`-aឤcdeᑏTgNḄhijk&l
ᓄnoᙠpᓄᑺpᓄᑺrᵨsgNtᡂᵬ⏣wᓄ>hijk&3H2+CO2=CH3OH+H2O஺Aஹ
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20Aஹ¤gN-ᑖᦪe¥gNḄpᓄᑺe¥§ᨵ5gNᦑABஹgNḄgNᱥkᵬtᡂᱥ¢ᔠ“{®”Ḅᱯ°}~ᑖJgNᦑB┯"CஹgN+ᵬᑖJtᡂ:¢ᡠMᵬ{cᓄᔠᱥᦑCDஹgN+¢5tᦋḄ-´Q28%&22%=14&11,ᦑD஺ᦑ⌱&B,᪷(ᓄ>gN⍳¼-aឤcdᓽAgNḄᱥḄ-´<~gNtᡂḄᱥḄ-´½kᓄ>gNᐗḄ;0Ḅ;0ஹ¾¿ᦪÀÁᑖ᪆஺⚪ÂÃᜧὃ9Ḅ-aឤcdḄNᵨJ⚪ḄᐵÅᑖ᪆+ᦪ(ᮣÇÈᵨ-aឤcd஺10.ூ[ᫀ௃BூJ᪆௃J&ᵫeFÊ{ËḄ-k1g;ᵫ⊤+ᦪ(ᑖ᪆eFÏÃÐIᔣÓÔÕ9Ëᑣa£A:9gÏÃÐIIᔣØÔÕ8Ëᑣb-:8gÏÃÐHIᔣØÔÕ8Ëᑣc-:8gᵫ-aឤcddtᡂᱥtᡂḄ-k8g+8g-9g=7g஺AஹgN6àcḄ-k28g-8g=20g,ᦑ⌱⚗┯"஺BஹgNḄgNᱥbc,tᡂᱥad,âgNᱥᓫஹᓄᔠᱥtᡂᱥᓫஹᓄᔠᱥᑣgNãᣚgNᑣgNe¥kãᣚgNᦑ⌱⚗஺CஹaஹbᓄḄ-Q{ck9g&8g=9&8,ᦑ⌱⚗┯"஺Dஹᵫ~Fᓄ>hij+ᓄ>å-ᦪ´QæcaஹdḄᑖ-´Qᦑ⌱⚗┯"஺ᦑ⌱&BogN-£AḄ}~tᡂᱥgN-Ḅ}~gNᱥgN-e¥}~pᓄᑺÀÁᑖ᪆ᑨ஺⚪ÂÃᜧὃ9Ḅ-aឤcdḄNᵨJ⚪ḄᐵÅᑖ᪆⊤+ᦪ(ègN-£AḄ}~tᡂᱥஹ-Ḅ}~gNᱥéᮣÇÈᵨ-aឤcd஺11.ூ[ᫀ௃AூJ᪆௃J&AஹẆë1+
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21BஹAḄBḄ⏙᯿AᨵḄ▬Bᙠ"#⁐%&'()⏚#+A#+%&ᑖ-ᙠ'./01ᐭA)⏍#+%&4ᑖ-ᙠ'./0ᡠ6ᑭᵨ49:Ḅ;ᳮᦑB┯>Cஹ?ᱏAḄBCD?ᱏAḄ+C᯿:EDFGHEIJᱥ#LMḼOP'QBCḼOPR+CḼOPST(UᑮBCḄḼOPU'ᑮ+CḄḼOPWXY&IJᱥJZ[\]UᑮIJᱥḄḼOPᡠ69:ᦑC┯Dஹ^_EMᵨ`abcᡂEDeFᓄgGH#LMhiᑁ^_ᨵhiᑁ^_"ᨵᵫ:Il"ᨵḄ^_"#⁐mᨵḄ^_#ᡂ+⁐%&eFᓄgDnopᡂ4hq⏚⏚)`a^#ᡂ+⁐ᡠ69:ᦑD┯஺ᦑ⌱>A஺9:Mᢣuᐕwhq#Lᐸyᩩ{|QḄ:.~⚪ᐵM⌕៉9:Ḅ(ᑖ᪆#L'#L4~9:(Y.12.ூiᫀ௃Bூ~᪆௃~>জ`ᑖᑴḄᨵஹஹ¡᯼ஹ£¤%¥ঝᐗ¨ᕜª⊤Ḅ1¬18ᐗ¨®¯°Lᐗ¨ḄᨵFஹgஹ±ஹ²ஹ┛ஹCஹ´ஹµஹ¶ஹ·ஹ╅¤'M8q%¥┯¹ঞ»¼ᑴ½¥ᡠ¾¿hḄbᕈ½ឋ'MÂÃÄᱥÅᙠÆ~Ç0H>XMÂÃÄᱥÅ~ÇḄg⏚᪷Ç-(1hÉp0H-,%¥┯¹টËÌᐭÅLÍÎḄÏ⌕ÐcᱥᨵSO2ஹCOஹNO?ஹIᔾᐭ⚩ÓᱥஹÔ⚩Óᱥ஺3¤%¥ঠᨵKOHஹNH4NO3ஹBa(OH)2ஹNa2sO4ஹNaNO,Na2cO3×qØ⁐b,ÚÚ|Û3ÜᔠᨵhqᱥÅ(DᐸÞÚqᱥÅpßàhqᱥÅp¯ᑣÄᱥÅM±FᓄâD±FᓄâÜᔠp¯ḄMã⏚äpßàḄMµ⏚¶g⏚¶åã⏚æDᒕèḄÚqbÜᔠp¯ḄM±Fᓄ´ᒕèḄMã⏚¶⌕␺êµ⏚¶g⏚¶ë⌱ᵨhqᑺ-î⏚ïI6ðyñ␺êᩭ%¥ᦑ%¥ᔠᳮḄMóqô22⚓ᐳ36⚓

22ᦑ⌱>Bo᪷÷ᱥÅḄᡂᑖஹ®¯Ḅᐗ¨øᡂஹᱥÅḄᑴᜓஹḄÐcᱥᡂᑖ6úᱥÅḄឋÅûü1ýᑖ᪆~ᓽI஺⚪ὃḄᓄẠᜧẠḄ⚪Ḅᐵ஺13.ூᫀ௃Bூ᪆௃#Aஹ%ᓄ&᧕()*+,ᓄ═()*〉/*(ஹ01ஹ234ᨔ6ᑮ%ᓄ&8⌱⚗ᔠᳮ=Bஹ>?┤ḄABCDEFGᙠI/ḄJK⏚MJK⏚N,ᓄAOP?ᡂ%ᓄAN*NAOP?ᡂ%ᓄRANST8⌱⚗ᔠᳮ=CஹU᪵ᐭXYᮞẆ\]?^_ឋTᕡḄb⏚╆deb⏚╄NS,ᓄ┛OP?ᡂb⏚┛ஹ*NhT8⌱⚗ᔠᳮ=Dஹ*()*Ḅi⏚┛jᡂk⁐(mḄb⏚njᡂo⁐(mḄ%ᓄp8⌱⚗ᔠᳮ஺ᦑ⌱#B«Aஹ%ᓄ&᧕()*+,ᓄ┶()*=BஹJK⏚N,ᓄAOP?ᡂ%ᓄAN*NAOP?ᡂ%ᓄRANST=Cஹb⏚ANS,ᓄ┛OP?ᡂb⏚┛ஹ*NhT=Dஹ*()*Ḅi⏚┛jᡂk⁐(mḄb⏚njᡂo⁐(mḄ%ᓄp஺⚪s⌕ὃᱥwḄឋwD⌕᪷yᔜ{ᱥwḄឋw4ᔠᔜ|☢ᩩᑖ᪆ஹᑨ6Ḅ4஺14.ூᫀ௃Cூ᪆௃#Aஹ0ᑖ᪆(tJCDᵬஹᱥwḄ(ᜧᐵ#ᵬீᦑA┯=Bஹt2°CDw/Ḅᵬஹ(m᝱ᡠ(mM(ᑺḄw/ᦑB┯=Cஹt3°CDMᵬᱥwḄ⛳N(mNᵬᱥwḄ⛳N(mᡠt3°CD>N¡Ḅᵬ(m¢£eM¡Ḅᵬ(m¤Uឤ¦23(ᑺḄ|§ᦑC=Dஹ>tJCDᵬஹḄ⛳N(mᓣ¦©t2࠷,ᵬஹᱥwḄ(«¬ᜧᡠᡠ6ᵬஹḄ(m£ᡂ⛳N(mᦑD┯஺

23ᦑ⌱#Co᪷y®Ḅ(¯ᱥwᙠ¦°Ḅ(=±²³ᱥwᙠ³¦°Ḅ(ᜧ#ᑨᱥwḄ(´¦£ᓄḄ£ᓄµ¶ᑨ¦ᦋ£¸(mMᔜ{ᡂᑖḄ£ᓄ஺⚪¹ᜧs⌕ὃº®Ḅ(ᡠ⊤¼Ḅ½¾¿᪷y®Ḅ(ᩭÁᐵḄÂ⚪ÃÄᑖ᪆Â⚪ஹÁÂ⚪ḄÅ஺15.ூᫀ௃Cூ᪆௃#Aஹ0,ᓄSᑖ]?*N,T*ᙠᵯḄᩩ°OP?ᡂ,TÇÈOP«ᑖOPᦑAɧ=Bஹ+,ᓄiNS,ᓄ┛(mOP?ᡂi⏚┛ÊᵨÌ|§ᩭÍÎ+,ᓄiᦑBɧ஺Cஹ,TÏÐᢝÒÓÔÒÓ,TᐹᨵÒឋᦑCɧ┯.DஹS,ᓄ┛Ni⏚pOP?ᡂS,ᓄpÊᵨᩭᑴUÓØᦑDɧ஺ᦑ⌱#Co⚪ᑭᵨÊÚᱥwḄÛ¢ᓄᐵÜ஺ὃḄ¡²ÝÞᔠឋ²ßᨵᐰ☢ᙢºÊÚᱥwḄឋwஹOPḄᱯ¡ãä⚪஺16.ூᫀ௃Dூ᪆௃#Aஹ*åæ⁐b⏚n£kᐜ0o*b⏚nÍÎᔲéᨵ*Ḅ=+,ᓄiåêëYᮞ*£ìíî0Yᮞ*ÍÎᔲéᨵ+,ᓄiḄ=î0S,ᓄp◀ðñᩭḄ+,ᓄiT®0òb⏚◀ðñᩭḄ*2T0ÒÓóô¸î0o*b⏚nõᔲᨵ*?ᡂdeSTÒÓ?ᡂ*ᡠeºÍÎᔲᨵSTḄ=ᨬ¸0êëYᮞ*õᨵ÷ᨵ+,ᓄi?ᡂᵫ),ᓄiÒÓ?ᡂ+,ᓄiᡠeºÍÎᔲéᨵ,ᓄiḄ=ᦑ⌱⚗ᑖ᪆=Bஹù☢ḄóôᵬeºÍÎᔲᨵ*?ᡂ¸☢ḄóôᵬeºÍÎᔲᨵ*?ᡂᔲᨵSTúᙠᦑ⌱⚗ᑖ᪆=CஹÍÎ+,ᓄióôûḄüᵨ#>+,ᓄi◀ýþÿ
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24<⚪>⌕ὃABᵨḄCD◀ᩖGHIJ<⚪ᐵL'⌕M⍝C)ᵨO)⏚",CQRᓄTᵨUVWᮞ)C0'YZ[\ᱥᨵᨵ)^ᡂC`RᓄT'YZ[\ᱥᨵᨵQRᓄT^ᡂ஺17.ூJᫀ௃DூI᪆௃I7A.᯼ஹWkDᜩᯠno/%p^ḄᓄWqᧇᦑB.Z[I'0RᓄuvQRᓄḄZ[ᓄwGxyzSO2+2NaOH=NaSO+H0,232ᦑC.“H”Z[n^ᡂNaOH%ᑭᵨᡂ<ᦑD.ᜐᳮḄSO2,“H”ᡠ◤Ḅ(ᧇᡂ<“uH”/&NaOHḄᑭᵨᡠ◤ᡂ<¡¢ᦑ┯6ᦑ⌱D஺<⚪ὶ¤^¥ὃA᛻§¨D©ª«ᔠᑭᵨG☢ḄMw®◤⌕ᙠ¯B^¥°¢“⁚&ஹ²”Ḅ³.18.ூJᫀ௃BூI᪆௃I7Aஹµ⏚¶·¸
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3>2>6FGூ7᪆௃7>(I)(1)J⏚L'(ᡂMᓄNL50ᓄOPQRS>Fe+2HC1=FeCl+HT22(2)LTUḄஹᐳWXᵨ1Z┤⇨0ᡠ]┤^⌕`TUḄஹᨵᐵ(3)ᙠMᓄdeᙠḄf᛻U1┤⇨0ᡠ]NaClᙠ┤UḄXᵨj>Ḅ┤(4)ஹஹkᓄl'(ᡂl⏚N0ᓄOPQRS>2Fe+0+2c஺2=2FeCO23(5)Feஹ0ᐗpqrsS21>8,vḄᓄᱥḄᓄORS>FeOxy56x>16y=21>8x>y=3>4ᡠ]ᓄᱥḄᓄORS>Fe034(k)(1)zᜧ'(ᱥḄ|}☢0]&'(᳛0ᡠ]?ẆᡂḄḄj>&'(᳛(2)L⏚'(ᡂ⏚NL50ᓄOPQRS>(3)⏚Nஹ⏚ஹ.ᓄ5'(ᡂ⏚L0ᓄOPQRS>2FeSO+HS0+424HO=Fe(SO)+2H2஺0.ᓄ5᧕ᑖ70ᡠ]'(,-./Ḅj>22243,-./01⌼ᡂ.ᓄ5Ḅᑖ7

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;Bஹᓄ⏚ឋᓄឋ⏚ឋ⏚ឋᨵஹᐗ.ᦑ⌱⚗;Cஹ!ᱥ#$ᨵᐗḄᱥ#.ᦑ⌱⚗┯
;ᦑ⌱:B'(5)ᵫ,-ᩭ(/01234)Ḅ⃩678ᐸ:;<ᱥ=>?@ᐗḄᱥ#AB⏚'ᵫ⚪D100LH⃩6ᨵ50.0gB⏚ᨵᐗḄ#J;50.0gxMNXI஺஺R“6.9gVᦑWV6.9஺(1)᪷YᓄZ[\Ḅ]^_D`abᑖ᪆efᓽh;(2)᪷YᩞᧇḄᑖlᩭᑖ᪆;(3)nopqḄrq[\=ᡂtuḄrᓄnᐹᨵwxyᵨ;(4)᪷Y⚪Dh|7ᑴ⃩6Ḅᱥ#\Hᨵஹ~!⃩6ᐗ;(5);<ᱥ=>?@ᐗḄᱥ#\ᨵᐗᔠ100LH⃩6ᨵ50.0gB⏚ᓄᔠᱥᐗḄ#J=HᓄᔠᱥḄ#JxHᐗḄ#Jᑖᦪabᑖ᪆ef஺⚪ᔠឋ⚪ὃᜧ⌕ZẠ|h஺23.ூfᫀ௃¢£BC¤ᓣCO+2NaOH=NaCO+HO2232

29ூe᪆௃eV«1¬®1¯>°±²M³´µ¶ᒹ¢£A¸;´µo¹ºrq»=¼[\=ᡂ´┤¾t´µ¶ᒹ#J¿ᜧ஺ᦑWV¢£஺«2¬=Àᮞ:o¹Âq[\=ᡂÃrᓄ┛ÃrᓄÅᐹᨵᔾ¹ឋᩨᩚÉÊËÌÍÎÌÏ஺ᦑWVBC'«3¬®2ÐᐭCO2ÒÓ°±ÔrᓄÕḄuÖpqḄᜧM×ØÙᳫÛᑮḄÝÞ¿ᜧM³ḄØÙᳫ¤ᓣß³ØÙᳫ¢£஺àáâqãäᐭåJNaOHÔrᓄÕ:oÃrᓄÅ[\=ᡂÕ⏚ź¹ᩨᩚæçè⊝[\ḄᓄZ8êë;VC0+2NaOH=NaCO+H0«2232ᦑWV¤ᓣ'C0+2NaOH=NaCO+H01>2232«1¬᪷Y´┤⇨Ḅᩩðᩭᑖ᪆'«2¬᪷Yᱥ#Ḅឋ#ᩭᑖ᪆'«3¬᪷YÔrᓄÕḄuñòᓄZ[\Ḅóᳮᩭᑖ᪆஺⚪ᜧ´┤⇨ḄᩩðஹÔrᓄÕḄᓄZឋ#:ᮣö÷ᵨAef⚪Ḅᐵù஺24.ூfᫀ௃£úᵫû⁐ýþ⁐«ᐸÿᔠᳮᫀᙳ⏚ᡈ⏚ᐸᔠᳮᫀᙳ⏦ᡈ⏚ᡈᓄ50ᨵNaOH#Na2s஺4,)*NaOH+H2s,-.Na2sO4#ᵯ00ᡠ2,-3Ḅ5Na2s஺┐89:2NaOH+H2sO4=NaSO+2H2஺>?98BCḄH2SO4#80BCḄNaOHាE24Fᐰ,-0ᡠ2HCஹHCᑖᦪḄ⏚#LMᓄNOᔠ0ᐙᑖ,-3LMᓄNQC0ᡠ2RᨵNaOH஺ூT᪆௃TW1YZ)*[⏚\]ᔾ_0ᡠ2`abcdᦑfWbcd2gᐭ10mLk3lRḄmᑖnop᣸r0stuUwlR☢ycz{0|}~ᑮḄdᦑfWgᐭ10mLk3lRḄmᑖnop᣸r0stuUwlR☢ycz{0|}~ᑮḄᐸᔠᳮᫀᙳd3YZ)*|⁐⏙⍗ឋ⁐0ᡠ2AlRᑮḄᵫ|⁐*⁐dᦑfWᵫ|⁐⁐d4জ)*Dl.Ḅ,-2NaOH+C0=Na2cO3+H0,DR.ᓄ22,-0ᔣ,-3ḄCḄ⏚ᡈ⏚Hᨵo.ᨵ⏚N.ᡂdᦑfW⏚ᡈ⏚Hdঝᑖ᪆᦮¤¥¦Q§¨©Igᐭ«QCḄ⏚0᝞.,-0R®¯°ᙠLMᓄN02gᐭ²ᡈ⏚ᡈᓄᑺ0´¯ᡈµᨵ¶30⚓0ᐳ36⚓

30¹⁐º»ᡈ⋎⁐⁐º»0½,-.«0ᦑfW²ᡈ⏚ᡈᓄdூYZ¾௃¿4.9tH2sO4ḄCᑖᦪ*20%ḄÃ⏚R#ÃkRNaOHḄCᑖᦪ*1.6%ḄÃkC*x2NaOH+H2s஺4=Na2sO4+2HO280981.6%x4.9tx20%80_1.6%X98—4.9tx20%'X=50t´ÇHCஹHCᑖᦪḄ⏚#LMᓄNOᔠ0ᐙᑖ,-30RḄNaOH#Na2sO4,)*NaOH+H2s0,,-.ᡂNa2s#ᵯ0,ᡠ2,-3Ḅ5Na2sO4089:2NaOH+HSO=NaS0+2H2஺>?98BCḄH2s0,#242480BCḄNaOHាEFᐰ,-0ᡠ2HCஹHCᑖᦪḄ⏚#LMᓄNOᔠ0ᐙᑖ,-3LMᓄNQC0ᡠ2RᨵNaOH,ᦑfWᨵNaOH#Na2sO4,)*NaOH+H2sO4,-.Na2s04#È0,ᡠ2,-3Ḅ5Na2sO,089:2NaOH+HSO=Na2sO4+2H2஺>?98BCḄH2s#80B24CḄNaOHាEFᐰ,-0ᡠ2HCஹHCᑖᦪḄ⏚#LMᓄNOᔠ,ᐙᑖ,-3LMᓄNQC0ᡠ2RᨵNaOH஺ᦑᫀ*W1bcW2¯ÉÊᡈᔲ0gᐭ10mLk3lRḄmᑖnop᣸r0stuUwlR☢ycz{0|}~ᑮḄᐸᔠᳮᫀᙳd3ᵫ|⁐⁐ᐸᔠᳮᫀᙳd4⏚ᡈ⏚ᐸᔠᳮᫀᙳdÌᡈ⏚ᡈᓄd550dᨵNaOH#Na2so*)*NaOH+H2sO4,-.Na2sO4#È00ᡠ2,-3Ḅ5Na2sO4,89:2NaOH+H2s஺4=Na2so4+2%0>?98BCḄH2sO4#80BCḄNaOHាEFᐰ,-0ᡠ2HCஹHCᑖᦪḄ⏚#LMᓄNOᔠ0ᐙᑖ,-3LMᓄNQC0ᡠ2RᨵNaOH஺1YZ9:[⏚Ï]kḄ_CᓄÐÑ⚪d2᪷:oÔḄ_ÕÖ×ØÔstᓰmᑖÔÚᑖ᪆d3YZ9:⏦ᙠ⏚ឋRḄ⁐ÛrÜ⁐ᓄd4জ9:DlRḄ.ᡂᱥ0Û>ᡠgᑺdঝᑖ᪆¥¦Q§Û>ᡠgᑺd

31(YZ¾)9:LMᓄN+⏚,-Ḅᓄà§á#⚪Rᦪ:âã0ᑖ᪆HCஹHCᑖᦪḄ⏚#LMᓄNOᔠ0ᐙᑖ,-3R5ᨵḄØᳮᵫ஺ä⚪å⌕ὃèLMᓄNḄឋ0¥¦YZàᫀḄéê#ᓄà§áḄâã஺25.ூᫀ௃■ì+Moஹk0MᓄHᱥ.,-஺í⚠ïᧅñ¹H2Na+22H2()=2NaOH+H2T⛳#⏚LNôÔ+Ôᑖõ0,-öì¯÷øùú{`ḄᩈᩩýᙠEÿ
ᜐᩈᩩᰐD2CuO4-C_2Cu4-C04Na+23CO—2NaCO+C223ூ᪆௃(1)ᵫ⚪"#ᧇ%&'()*+,-.ஹ01-ᓄ34ᱥ6789:;<=,᯼?9:@ABC᯼?DᡠFGHIJ'789:K6LMᙠ᯼?OᦑQᫀG■T,-.ஹ01-ᓄ34ᱥ6789:K6஺(2)XGWᐭYZḄ\⚠^ᧅ`ᦑQᫀG\⚠^ᧅ஺(3)᪷bcdef.ZGg.g.hi7jkl⁐nᯚ`',09:8ᡂg-ᓄ'qg.rᑏᓄtuvwxyz{|.Z}~`ᦑQᫀGkl`H2Na+2HO=2NaOH+H222(4)ᮞ⌕ᑖG3⏚┛3⏚┛,⏚9:8ᡂᓄ┛ஹ0q1-ᓄ3rᑏᓄtuvwxyz{|.Z}~`ᑴ1-ᓄ3ᨵᓄgᢵ7jᡠFWᐭ⛳q3⏚g'Y%F◀ᓄg=ᔾᦈ1-ᓄ3`ᐵᑁ.Z¡ᜧYZ£ᐭᳫ¥¦§¨©Yᑖª9:«T`¬⏚,3⏚┛9:8ᡂH¬⏚┛¬⏚┛®0⌚°ᙠ3⏚┛⊤☢=ᑭ®9:´µ`ᦑQᫀG2HCl+CaC03=CaCl+COT+HO`⛳q3⏚g'Y`©Z,YZᑖ222ª9:«T`=+஺(5)জᵫ®1-ᓄ3=ºᢝi¼ᡠF½iḼḄᩈᩩ¿®EᜐᩈᩩᰐᑣÂÃ.ZÄᐙÆÇ6Èᴻ`ᦑQᫀGÊi¼ḄᩈᩩËᙠEÌ
ᜐᩈᩩᰐ஺ঝWᐭÎ⏦KÐÂÃYÑÒឋWᐭg-ᓄÔᨵÕ⁐Ö×8ᡂÂÃᨵ3⏚Ô8ᡂبÙᔠÛὅcdefᑨÞG3⏚'`ᦑQᫀGD஺ঞ9:ᱥàᨵ'ஹ3ஹ-áâᐗä%F¥ᡂå⁐©Zæᨵ3ᐗäᡠFå⁐©ZG33,å⁐-ᓄç%F9:8ᡂçq1-ᓄ3b¨rᑏᓄtuvw`ᦑQᫀG2CuO+C12Cu+CC)2T஺è32⚓ᐳ36⚓

32ট9:ᱥG',1-ᓄ38ᡂᱥG3⏚'q3ᡠF',1-ᓄ39:8ᡂ3⏚'q3rᑏᓄtuvwxyz{`ᦑQᫀG4Na+3CO—2NaCO+C«223ᦑQᫀG(1)■T,-.ஹ01-ᓄ34ᱥ6789:K6`(2)\⚠^ᧅ`(3)kl`H2Na+2HO=2NaOH+HT222(4)2HC1+CaCO=CaCl+C0f+H0`⛳q3⏚g'Y`©Z,YZᑖª9:3222«T`=+`(5)জÊi¼ḄᩈᩩËᙠEÌ
ᜐᩈᩩᰐ`ঝD`~ঞ2CuO+C—2Cu+C0T`2@4Na+3c஺212Na2cO3+C஺(1)᪷b'Ḅᓄtឋ6ðQ¨⚪`(2)ὃòcdó(ᵨõᘤ÷ø`(3)᪷bg.i¼Ḅ¥ᡂnᯚù⁐ðQ¨⚪`᪷bcdefðQ.Z÷ø`᪷b⚪"úû%&',09:8ᡂg-ᓄ'qg.b¨rᑏᓄtuvw`(4)⏚,3⏚┛9:8ᡂᓄ┛ஹ0q1-ᓄ3b¨rᑏᓄtuvw`◀ᢵ7jḄᓄgüᵨ=ᔾᦈ1-ᓄ3Ḅ⛳q3⏚g'Y`᪷bᐵý¡KᓄðQcdef`᪷b¬⏚┛ḄBðQ¨⚪`(5)জ᪷b1-ᓄ3=ºᢝi¼Ḅឋ6ðQ¨⚪`ঝ᪷bcdefᑨÞ6ᡂ`ঞ᪷bcdefᑨÞ78Ḅᓄt9:ᯠýrᑏᓄtuvw`ট᪷bcdÿ
ᱥᯠᢥ᯿ឤᑏᓄ஺᪷ᨵᙠ!"#Ḅ%&'(ᙢᜧ+,-./012⚪Ḅ456⌕8஺26.ூ=ᫀ௃IஹCCnஹ(1)ᔾᦈJKLCcuo+coAcu+co2;(2)TU.ᔲWᡂYZᓄ[CD]^_`aᙠb☢deCCa(OH)+C0=CaCOI+H0C2232(3)dC(4)ூnUᫀ௃op⏚CrCn>MmC

33ூvwxy௃জAஹC]{|}WᡂḄ--Zᓄ[LᔠWᰦCeḄᦋᐭLḄᐭL4}{|Cঝᓣூ/᪆௃/¢I.£“¥⁐ᓄ”Ḅᳮ©ᑖ᪆ᨬ〉®¯Ḅ.r¯°.±r¯°]²³ᨵpᐗµ¶]²WᡂpḄZᓄᱥ■¸¹ºL»¼¯°ஹ½¯°ஹᦿ¯°]¿³ᨵpᐗµ¶]WpḄZᓄᱥ£»¹ºÀ᛻஺ᦑâCon.(i)B]ḄÆp⏚ᐹᨵᔾJឋÉÊËᑺ±ÍÎᵨ.ᔾᦈJKLCC]{|ᩩÑ&Zᓄ¯4Zᓄ[ÒÓWᡂ¯YZᓄ[WÒÓḄᓄ.¢CuO+COACU+CO»2ᦑâᔾᦈJKLCCUO+COACU+CO»2(2)D]ḄÔᮞJÖYZᓄ[ÒÓWᡂ[⏚┛ØÙÚᵨÛTUYZᓄ[LܱÍÝnU]ḄÎᵨ.TU.ᔲWᡂYZᓄ[CᵨbÜTULÜᱥ'LḄ`aÓÞᐭb☢d&LÜÖbÜᐙᑖàánUâᑮäḄÝḄåæᙠḄ┯è.D]^_`aᙠb☢deCᦋéêÝ]YZᓄ[ëZᓄ┛ÒÓWᡂ[⏚┛ØÙJWÒÓḄᓄ.¢Ca(OH)4-C0=CaCO1+H0,2232ᦑâTU.ᔲWᡂYZᓄ[CD]^_`aᙠb☢deCCa(OH)+C0=CaCOI223-FH200(3)îï4Zᓄ[¹ºLðᦈᑭᵨ4Zᓄ[Óò{óLᜐᳮ᪾]ÓE,LÜ£÷`adø'ᐭùJ£b`a᣸ü±ÍÖa`aý"Ḅ.d஺ᦑâd.(4)ூnUᫀ௃þÿ
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-&ᓄ'᪷/⚪1ᨵ234ᐵ67CuO+H2sO4=CuS0+Cu+H0,2421446464mgImg᝞K&ᓄ'LḄNᔠᱥ᪷/⚪1ᨵ7Mmg^m,X34⚓ᐳ36⚓

34ᦑ\7⏚+!+n>Mm஺144ூ_`ab௃জefghᐰḄjkὃ⇋nfgoᙠḄᓻ◅AஹCtuvᡂḄ&ᓄwLxyNᔠz{|vᰦ~ᦋḄḄᦋ*{ᐭyḄᐭyut஺ᦑ\7AஹCtuvᡂḄ&ᓄwLxyNᔠz{|vᰦ~+Ḅᦋ*{ᐭyḄᐭyut஺ঝᩩvᡂᱥḄ⌕¡¢ᙠ3£fg◤⌕〉¦ᜧCOḄᐭᡈὅᓣª«k஺ᦑ\7ᓣª«k஺n⚪¬⌕ὃᱥ4Ḅឋ4¯°u⌕᪷/ᔜ²ᱥ4Ḅឋ4³ᔠᔜ☢ᩩµᑖ᪆ஹᑨ¹eº»¼½¾Ḅ³b஺27.ூ°ᫀ௃ঞ0.290ூ¯᪆௃¯7(1)ᑖ᪆জঝÃÄfgzÅÆ10.0g2%ḄNaOHÇÈᓄ╅ÊᐰzvᡂË&ᓄ╅ÌÍḄ40.261g-0.116g=0.145g,ᑖ᪆ঝঞÃÄfgᦪ/Åᐭ30.0gḄNaOHÏ20.0gÇÈᓄ╅vᡂË&ᓄ╅ÌÍḄ40.261g,10.0gÇÈᓄ╅vᡂ0.290g-0.261g=0.029g<0.145g,#Èᓄ╅ÐÊᐰË&ᓄÑÐᡠ2fgঞÈᓄ╅ÐÊᐰNḄ40.290g஺ᦑ\7ঞ+0.290+ফ,100gNᔠMgC%Ô²Ḅ4x,◤⌕NaOHḄ4yMgCl+2NaOH=Mg(OH)1+2NaCl22958058xy0.290g95_80_58xy0.290gx=0.475gy=0.4gᑣ100gNᔠMgC12Ô²4Ḅ4ᑖᦪᗞX100%=0.475%°7100gNᔠMgCkÔ²4Ḅ4ᑖᦪ0475%+(3)ᑖ᪆জᦪ/zÅᐭ10.0g2%Ë&ᓄÑÇÈᓄ╅Ḅ2%Ë&ᓄÑ4ᗗ×x=8.0g,ᑣÇHC1Ḅ2%Ë&ᓄÑ410.0g-8.0g=2.0g,vᡂ0.290gË&ᓄ╅ÌÍ◤⌕2%NaOHḄ4Ø=20.0g,᝞Ù

35(1)ᑖ᪆জঝÃÄfgzÅÆ10g2%ḄNaOHÇÈᓄ╅Êᐰzvᡂ0.145gË&ᓄ╅ÌÍᑖ᪆ঝঞÃÄfgᦪ/Ú¼ÛÄÈᓄ╅ÊᐰNḄ4஺(2)Ü/Èᓄ╅ÇË&ᓄÑÝÞL⚪ᦪ/ßà¼100gNᔠMg஺?Ô²4Ḅ4ᑖᦪ+(3)ᑖ᪆⚪ᦪ/Úà¼ÇHC1âὑ2%NaOHḄ4ᙠßà¼vᡂ0.290gË&ᓄ╅ÌÍ◤⌕2%NaOHḄ4Ù¼äå஺⚪ᐵᓄæÝÞḄßà⚪¬⌕ᑭᵨ⊤êᦪ/ëÝÞᩭᑖ᪆L¯íᓄæßàḄᨵᐵî⚪⌕ïævᨵðñḄᦪ/ᑖ᪆{ò஺X36⚓ᐳ36⚓