2021-2022学年四川省成都市高二（下）期末化学试卷（附答案详解）

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2021-2022
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1জC(s)+0(g)=஺஺2(஺)41=akj-mol~24⚓ᐳ26⚓

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¯D°mg᪵>±┵³´ᐭµ“25஺4¶·¸¹ᐰ»ᵨcm஺¼L-iKMntZt¶B½ª«¬ᦪk2m4஺জᵫf¿ᦪÀejÁ᪵>ᡠÂFeSO4Ḅ,ÃᑖᦪjÁ⊤Å®ঝᑡᐵ±᪵>ÇÈᑖ᪆ḄÉ-CDḄ&BCDEᫀ᪗H஺A.ᑴemo“LTKMnO4ÊËÌ᪵>ÂÃÍÎB.ÏÐpᐭKMnt74᪵>ÂÃÍÎÑC.ÒÓÔ̬ᦪ᪵>ÂÃÍÎÑD.ÕÖᘂᜐÙ£Úᨵ£᪵>ÂÃÍÎ25.ᑭᵨÛᣓᣍᢈßàd[Z3ᓄÛáᓄᡂᔜâ▬ÍḄᓄäå>&æçbẆéḄêcd஺1
ëìíîOᵨᩭᔾᦈZ3ᓄÛ{åᔜòÛ⏚óå>஺ᡃõçbö÷øùᐜ{✌üḄ“ᔣ⛳JNaClᐜÚᐭÿḄCO2ᑴᡭᓄ,ᰀ஺ᡭᡂ”“ᑴ”஺ᑏ"ᡂᡭḄᓄ#$%&'(.2
2021*ᡃ,-#.ᙠ,▭1✌ᐜ456789ᓄ:ᑮ<=Ḅᐰ?@ᔠᡂᐸCᳮEᑭᵨHIᵯᓄ#KᓄLM4589ᓄ:NᓄO⏚Q᝞SᡠUVWᱥY⏛ᢈ\Nᓄ<=஺]LM^▢᩽Ḅᵯ᩽$%(஺3
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gAH=-165.0k/-moLrs2m0Q஺2Q஺V8t஺“2Q஺Vᐙᐭwx2LḄឤz{|zᘤ^Y᝞1$%lOmin~$%ᑮ⊝rzᘤᑁḄḄজr]$%Ḅ⊝ᦪK=,0lOminᑁḄᙳ$%᳛vW
;2ঝnᑡ⊤U]$%ᑮ⊝᝱ḄᨵQᫀ᪗¡V¢A.zᘤᑁ£ᔠwḄᙳ᥅¥¦§ᦋB.zᘤᑁwḄ{©§ᦋª«2஺Q஺VḄwxᑖᦪᢝ§D.ᗞḄ°ᢝ§E.u±Q஺஺2V=4"⌮%

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”:a==49,ᦑCD1ᔣ8•஺3Ḅ⛳ᐭ!BaCO3%&'ᯠBaCC>3Ḅ⛳c(Ba2+)ஹc(C஺)Ksp(BaCO3)ᙳ456ᦋ8ᓽ4:;ᵫb>8c>ᦑD┯@ᦑ⌱BD஺A.ᵫEFG8aC03ḄIJKᦪKsp(BaCO3)B<7:2B.BaCO3ḄIJKᦪ(p(BaCO3)=c(Fa2+).c(COf-);C.BaC/BaS஺’ḄWᔠ⛳Yᙠ[=ಟx—=_D.`Iab⛳ᔜdeḄfIIJKᦪKspᙳ48஺g⚪ὃjkᵯmnḄmo⊝qrkᵯmnḄmo⊝sᐸuvwxஹIJKᦪḄyzsᐸ{ᵨ}G~m⚪ᐵᑖ᪆:ஹyz:ᵨ:ḄὃjrIJKᦪḄ{ᵨ⚪kI}஺19.ூᫀ௃Bூm᪆௃mB4ᓄm⏚ឋdefI4:;ᵨpHbpH
pHb
᦮ᦪ{⌱pHybᦑA┯@B.⏚⛳⏚¡¢{£⏚¤ᑖ¥ᯠ£ᑖFᑖdᦑBiEC.Na2cO3ஹNaHCOsᙳ©ᓄ┛¢{4:◀ᩖᦑC┯@D.®m£ᙠ¯ឋ°±ℍ⃔´m£µᨵNaOH⏚·¸4ᔠᳮ,ᦑD┯@ᦑ⌱BB»A.↾¼½¾ᙠpHbpH
pHb
᦮ᦪBB.⏚⛳⏚¡¢{£⏚¤ᑖ¥C.Na2cO3ஹNaHCO3ᙳ©ᓄ┛¢{D.®m£ᙠ¯ឋ°±ℍ⃔´஺g⚪ὃjᓄ¿À±ÁᫀḄÂÃÄ⚣ὃ>qrᱥnḄឋnஹpHbஹWᔠᱥᑖdÇÈஹᱥnḄ°±ஹÀ±ᢈ:mḄᐵᑖ᪆À±:ḄὃjÀ±ḄÂÃឋᑖ᪆⚪kI4ᜧ஺20.ூᫀ௃C

19ூm᪆௃mB4ᓃ=10ᡠÍÎ}fIḄN"3a“2஺ஹNH4CIWᔠc(H+)ḄᵯdÕIᨬᜧᑣnÚᨵW/SÜÝ⏚ាߢ{àὅfIâãᑣ%=20,ᦑBC.åGa=2.5x10-11,ᑣc(OH-)=ç஺஻/,=4x1஺-4é0/3c(NHt)xC(OH-),C(NH3%஺)=0.01mol/L,ᑣê=ᗞì*ᯠ℉ï=1.6x10-5,஺Ḅᦪ!ñ10-5,ᦑc┯@D.òóYᙠᵯ₹õឤᑣᨵBc(NH2)+c(H+)=c(C÷)+c(0/T),ᦑDᦑ⌱BC஺A.%=10ᡠÍÎ}fIḄN/•/஺ஹF/ùWᔠc("+)ḄᵯdÕIᨬᜧᑣnÚᨵNadC.᪷üKw=c(H+)xc(OH-)=IO-"yzc(஺//-),c(NHB)«c(0/T),c(W//•3஺)x0.0ÿ3
ᐭ=cᘵ?:A;)CD;D.ᙠᵯ₹ឤ஺⚪ὃ⊝ᜧ!"ஹ$ᵯ%&ᵯஹ'(%ஹᵯ⊝)ᦪ+,-⚪./0ὃᑖ᪆34ஹᮣ67ᵨ9:Ḅ34஺21.ூ?ᫀ௃BCᕜEBVIIAIJKᔣMNOᐭKSCN,UVWX⁐ᑣV&ᔲᑣ\V&d^^c^^oabᐳdaᵫfg!᝱ᙠi᝱jᑖkᙠ"lḄmanopqr᪀tu"ᜧḄv◣xyC%-8e-+2H2஺=CO+8H+2ூ%᪆௃%^(1)C/fBCᕜEBVHAIW■ᓄJvV&ᡂᓄJjOᐭJKᔲᡂ/e3+Ḅ^ᔣMNOᐭKSCN,UVWX⁐ᑣV&ᔲᑣ\V&ᦑ?ᫀW^BCᕜEBVIIAIJKᔣMNOᐭKSCN,UVWX⁐ᑣV&ᔲᑣ\V&(2)(?஺2ḄᵯW6^^C^^6,&2஺2Wᓄᔠᱥᨵabᐳdaᦑ?ᫀW^d^^c^^oabᐳda(3)ᐗ¡o¢ᡂḄ£ᓫmᓄᱥW஺Ḅi᝱xf᝱jḄx¥¦ᵫfg!᝱ᙠi᝱jᑖkᙠ"lḄmanopqr᪀tu"ᜧḄv◣xyᦑ?ᫀW^ᵫfg!᝱ᙠi᝱jᑖkᙠ"lḄmanopqr᪀tu"ᜧḄv◣xy(4)᪷©ª«ᵬᙠl®¯°ᵯ᩽a³´ᓄµ¶ᡂ·ᓄ¸ᦑᵯ᩽µ¶WCH-8e-+2HO=CO+8//+,422B20⚓ᐳ26⚓

20ᦑ?ᫀW^C44-8e-+2H2஺=஺஺2+84+஺XḄ£ᓫ᝱mᓄᱥMᕈ½¾☢Àr᪀ᵬW½¾☢ÀᦑXWCÁḄÂÃᓫ&ÄÅWᩔÇÈÉᑺ஺3ÄÅWᩔÇÈÉᑺÁWO;ZḄ¥ÎÏᙠÐᕜEᨬᜧZWNaWḄ&ᦪ-fXÓZḄ&ᦪÔbWWClRᨵlÃᓄᱥᐸØÃᓄᱥÄÅWX⁐ÙÚᡈÜᧇᓄJÄÅWX⁐ÙÚᡈÜᧇRWFe,©ß%⚪஺⚪ὃ¥r᪀Óᐗ¡ᕜEàrᔠ¥áᦪஹ¥r᪀ᩭãäᐗ¡W%?ᐵa/0ᑖ᪆Ó¶ᵨ34Ḅὃæçèàឋ9:Ḅ¶ᵨ⚪.êëᜧ஺22.ூ?ᫀ௃CH=CHìíঝ143HoCH2cH20H+஺2TOHCCHO+2H022ð2ூ%᪆௃%^(1)ᱥ&AḄr᪀£WC2=C“2ᱥ&cò3óḄôõìíᦑ?ᫀW^CH=CHFìí22(2)µ¶জஹঝஹঞᑖøùfOᡂµ¶ஹ%µ¶ᡈú
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ᐳ☢DḄᑖ᪀"#k5ߟ-CH,,✏./ᨵ012ஹ2Jஹ஺6CH£H,ᨵ39,ᦑ;ᫀ=114>3>(4)ᱥCᙠBCDCuFGᓄᑺḄᩩKLMN4OPQᡂ,ᐸOPḄᓄTUVWCH0HOCH2cH20H+஺2YOHCCHO+2HO,2Zᦑ;ᫀ=1HOCHCHOH+0^OHCCHO+2H02222oAᐸᱥAḄ\]M^⊝]6`abcᓄdḄefgA=CH2=C“2,ADjeQBᡂOPQᡂB,BeQglOPQᡂC,DeQmᓄOPQᡂE,CDEeQopOPQᡂF஺r⚪ὃuᨵvᱥwxyzὃuᑖ᪆ஹᑨx}~ᔠᵨ}ᐸឋḄᐵஹᱥḄᓄᐵwxᔜᱥḄ᪀Wlr⚪ᐵ⚪ᜧ஺23.ூ;ᫀ௃S0AD2Cu+0+4H+-2Cu2++2H20c(Na+)>c(S஺e)>c(0HH)>32c(HS03)>c("+)¥¦NazS4ª«Bᐭ®⏚°±BBaC஺ª«²ᨵ³⁐µ¶Qᡂ·¸¹ºᔲᑣ¼ºC1.4ூl᪆௃l1(1)M+6¿ÀᐗÂḄmᓄᱥMḄᓄTW=S%>ACO?NNa”CC>3ª«OPSO?MN⛳DNaHC03ª«OPQᡂ஺஺2Mᵨ◀ᩖ

21ᦑA>B.CO,S"Ê⏚ឋmᓄᱥ0ὅᙳÍbᮞᔾᦈᦑB┯Ò>2C.0mᓄÓNÓ⏚Ôª«OPQᡂÓ⏚ÔᦑC┯Ò>D.S5MN⏚ឋÕÖ⏚×OPØ0mᓄÓM◀ÙSO2,ᦑDᦑ;ᫀ=1$஺3>AD>(2)ÛஹmÜஹÀ⏚ᙠBCᩩKLOPQᡂÀ⏚ÛDgOPÝ
UVW=2Ca+0+24H+-2CU2++2HO,2ᦑ;ᫀ=12Cu+0z+4H+32cli2++2”2஺>(3)S0ggl᪫ᕈÍឋᑣc(஺”-)>c(H+),SOgglVᜧᑣc(SOg)>c(HSO3),c(SOf)>c(OH-),äåᙠgḄᵯÝçè(஺"-)>c(HS஺*),ª«c(Na+)ᨬᜧᦑª«Ý
êᜧëìí1c(Na+)>c(SOî)>c(OW-)>c(HS஺1)>c("+)>7஺25஺3mᓄQᡂNaas/غóôNa2SC)3ª«ᔲºḄUõ:¥¦Na2s஺3ª«Bᐭ®⏚°±BBaC%ª«²ᨵ³⁐µ¶Qᡂ·÷¹ºᔲᑣ¼ºᦑ;ᫀ=1c(Na+)>c(SOg)>c(O஻-)>c(HSO3)>c(H+)>¥¦NazSgª«Bᐭ®⏚°±BBaC%ª«²ᨵ³⁐µ¶Qᡂ·¸¹ºᔲᑣ¼º>(4)Na2s2O3SḄᓄᔠ¿=+2,ᑴᜓNa2s2஺3û⌱ᵨḄOPᱥýÀᐗÂᑣ᪷ÿᓄḄ“”ᱥSᐗḄᓄᔠᜧ+2ஹ+2ᨵCNazSg#S$ᔠᦑ&ᫀ()C*(5)./c(H+)«c(HSO஺c(H2sO3)«O.lmol/L,69i=:;<“==1.6x10-2,BCc(H+)=4xIO-oᦑpH=-lgc(H+)=-lg(4xICT?)=I7nᦑ&ᫀ()1.4஺(1)MO+6PᐗḄᓄᱥ*QᓄPRST⏚ឋWX⏚Y./ᓄZ[\⏚]^./_ᡂQᓄ\*(2)aஹbஹcP⏚ᙠefᩩhi_ᡂP⏚a#j*(3)S஺ljBm./ᕈoឋjBpqrᜧstuᙠjḄᵯw*N&2SO3Tᓄ_ᡂNa2s஺46z{ᑭᵨ~ᓄ././P⏚᪷wOᔲz{*(4)᪷ᓄᔠᳮᑨ*(5)./c(H+)«c(஻S஺/C(HSO.)«0.1mol/L,ᔠ:=ᔩ&•c(H+),2JKᐭpH=-lgc(H+)஺⚪SQ(ὃᱥ{ᑖஹPᐗᓫ{ᐸᓄᔠᱥḄឋ{ஹ◀ᩖஹ¤¥ᫀ¦ஹw§qᜧ¨©ஹᓄஹ./pHª⚪«¨©¬ᔠ◤⌕¯_ᐹᜓ²¤Ḅ³Ạ[ᮣ¶·ᵨḄZ¸஺¹22⚓ᐳ26⚓

2224.ூ&ᫀ௃MnO+4”S¾§¿QMnC"+ST+2HOCl+2MnOl-=2MnOÀ+2222Cl~⏚Á76c¾ᔛ-%¿%ACmூB᪆௃B)¾1
ÆÇAᑭᵨQᓄ═#§É⏚ᑴᜓ~bᓄ¯¥pÁ()MnO+24HCl^-MnCl+ClT+2m஺*BÆÇ”#Kz“n஺,_ᡂw22¥pÁ()C%+2MnOË=2MnOF+2cËÌᦑ&ᫀ()MnO+4HG¾§¿QMn"+ClT+2HOFCl+2MnO^-=2MnO^+2Cl-F22222
KMnO4./ᐹᨵÍᓄឋÎᙠ⏚ÁÏÐ*ᑮÒÏÓÔtW═⏚YÕÖ×ØḄOÕÖḄW═⏚YḄÙ⁐ᦑÏÛ)./ᕈÜÝ⁐Þ30srz⁐ÒᑮÏßÔᦑ&ᫀ()⏚Á*জáâw[W═⏚᪷./Ḅw¥pÁ()5Fe2++MnO[+8H+=5Fe3++MM++4H2஺᪵äFeSᑁḄ{Öᑖᦪ()çMQè°3êᔞìíî.x100%=76Á/-ᓃ¿ð,mᦑ&ᫀ()76cs%*mঝ4òᑴemo,"TKMn”./ótôõòᑴḄWX⏚Y./§qö÷Ï᪵ätøὑḄWX⏚Y./úöᜧ᪵äûÖüýöWᦑAþ*B.ÿ
ᐭKMnO,⏚ὑ═⏚Ḅᜧ᪵!"ᦑB┯%&C.'()*+ᦪ+-Ḅ┶⏚Ḅ/᪵!"ᦑC01&D.23ᘂᜐ6789ᨵ78ὑḄ⏚ឋ═⏚Ḅ/᪵!"ᦑD┯%&ᦑ<ᫀ>?ACo@AAᑭᵨDEᓄ═GH⏚ᑴᜓK7ᓄLMNOPQ>?MnO2+4HC/RS
-MnC/+ClT+2/஺&B@A஺2GKzMn”MNVᡂKMnO4,@CᔾᦈZ[Ḅ22K7■]^_`7abᑖ᪆e<஺f⚪ὃiᱥkḄᑴᜓlmOᫀno•>ὃqr⚪sG⚣ὃuvwὃiLVxyzᔠNᵨஹ᪷alm~ḄᱥkḄឋkᑖ᪆ஹlmflmOᫀnozᔠឋᱥkឋk⚪~ḄᵨA஺25.ூ<ᫀ௃HO+NaCl+CO+NH=NaHCO1+NHC12CO+8e-+8H+=223342CHCOOH+2HO^~0.24Cᜧᡈ32ூe᪆௃e?R1
᪷a⚪x⛳GNaClG¡N%ஹ஺஺2MNVᡂNaHC04GNHCl,᪷aMNᱥGVᡂᱥ¢ᑏOPQMNOPQ>¤஺+NaCl+CO+NH=423

23NaHCOI+NHCl,34ᦑ<ᫀ>?H0+NaCl+C0+NH=NaHCOI+NHClF22334(2)▢᩽¨©ᵯ«¬V®MN¯@ACO2°ᓄ>C/COOHCᐗ²ᓄᔠ³ᵫ+4³µ>஺³ᡠ▢᩽¨CG©ᵯ«GH+MNVᡂC/COOHG·஺ᵯ᩽MNQ>2c஺2+8e~+8H+=CHCOOH+2HO,32ᦑ<ᫀ>?2஺஺2+8e-+8H+=+2H2஺&(3)জឤឤºᩩ¼½7Ḅ¾¿7ḄᱥkḄ¾¿MNÀᑮÂ⊝9bºᘤᑁḄµ>ÆÇḄÈᑣÊᔠ7ḄᱥkḄ>ÆÇḄ!Â⊝9ḄÊᔠ7ÌᱥkḄ=(2+8)mo/x1=8mo/,Êᔠ7ÎÏḄᱥkḄ=(2+8-8)=2mol,Ð⌮MNCOz(g)+4H2(g)UC"4(g)+2H2஺(஺)Î/ÔÇ(moZ)2800MN(moZ)14122Â⊝(mo)1412Â⊝0(CO2)=c(C“4)=——~=0.5mol/LQ·)=-=2mol/Lc(HO)==2Lf2Lf22Llmol/L,Ö¯MNḄÂ⊝qᦪK='():Ù?)=ᗐÛ=30ÜlOminᑁ¨ḄC(CC?2)C(“2)0.5X(2)164n4moiÂᙳMNÞ᳛“2)=á=ញ=0.2mo//(L-min),ᦑ<ᫀ>?0.2&16ঝ4MN297Ìkäµ7ÌᱥkḄÎ/ᑣMN29Êᔠ7Âᙳ᥅ækᜧçºᘤᑁÊᔠ7ḄÂᙳ᥅ækäèᦋµMNÀᑮÂ⊝ê᝱ᦑA01&B.MN297Ìkäµஹºᘤäµᑣ6ìMNíᔲÀᑮÂ⊝ê᝱Êᔠ7ïÇðäµäabᑨòÂ⊝ê᝱ᦑB┯%&12ᨴ2஺(9)Ḅᑖᦪôᢝäµö÷7ḄᱥkḄäµMNÀᑮÂ⊝ê᝱ᦑC01&D.6ìMNíᔲÀᑮÂ⊝ê᝱ᗌḄ"ÇðôᢝäµäabᑨòÂ⊝ê᝱ᦑn(%)D┯%&E.4ù«஺2)=஺⌮("2)MNÀᑮÂ⊝ê᝱ûü/஺஺2)=4ᡃ(%)
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Ḅᓄ᳛!"Ḅ#$ᨵ%&ᦋ(ᩩ*+⊝,ᔣ./0123%&4ᜧ6789ᦋ(Ḅᡠ!"Ḅ#$ᨵ;<=4>C02(g)@“2(஺)ḄᱥCḄDᡈ4ᜧFGᡈHIJ9ᦑᫀ4ᜧFGᡈHIJ9஺(1)᪷L⚪NOPQ⛳@NaClST@&DN/ஹCO?VᡂNaHCO,@N/஺᪷Lᱥ@VᡂᱥXᑏZ[\(2)▢᩽_`ᵯbcVdefghiCO?ᓄ஺஺஺஺“
Cᐗlᓄᔠnᵫ+4p24⚓ᐳ26⚓

24n(஺nᡠ▢᩽_஺஺2`ᵯb@H+VᡂC/C஺஺஻@“2஺(3)জឤJឤwᩩ*x7yḄFGz<;{7yḄᱥCḄDz<ᑮ⊝|}
wᘤᑁḄFG(Ḅᑣᔠ7yḄᱥCḄDḄ/⊝|Ḅᔠ7yᱥCḄD=(2+8)mo/x|-8mol,ᔠ7yḄᱥCḄD=(2+8-8)=2mol,⌮C0z(g)+4H2(g)uc%(g)+2H2஺(஺)D(niol)2800(mo/)14122⊝(mo)1412⊝
c(CO2)=c(C4)==0.5mol/L,c(W)=ᗸ=2mol/L,c(WO)==22Imol/L,T࠷
fḄ⊝ᦪK=ᶚ*0lOminᑁḄᙳ᳛An)=O;ঝ⌮ᑮ⊝᝱
,⌮᳛;yiᔜᱥCḄᱥCḄDஹᱥCḄD89ஹᑖD¡ᵫ}¢Ḅ£ᑡᱥᳮD1(ঞᙠ
%Ḅᓄ᳛!"Ḅ#$ᨵ%&ᦋ(ᩩ*+⊝,ᔣ./0123%&4ᜧ6789ᦋ(Ḅ஺§⚪ὃ©ᓄª⊝«¬ஹᵯeᳮ®¯ὃ©▅±ஹᑖ᪆ஹᑨ´¡«¬2µ¶·ᵯ¸iᔜ¹ᵯ᩽_cVḄஹᓄª⊝ᦪ«¬Zº;Q»¼3§⚪ᐵ¾Q⍝ᓄª⊝᝱ᑨ´Zº⚪ÀÁ9i;஺26.ூᫀ௃ÅᧅஹÇÈCuÉSÊCDḄCu,8Ë⏚ÍὑḄÏAu+NOi+4H++4CZ-=[AuCl]~+NOT+2஺48ÐᓾÒᨔC⏀ÕÖ×Ø2Ë⏚ÙS4ÚÛᜫ⏀Õ᧕ᢵcß{ᨔyàáூ᪆௃(1)%&_ᑖ᪆Qâã1&ä&äᡠᵨᑮḄæᴻèᘤᨵæᴻé@ÅᧅஹÇÈêëB3Cu,ᦑᫀÅᧅஹÇÈCu(2)⏚SìᱏḄ&[ᵨÉË⏚ᡈ8Ë⏚cVḄZ[\ᑖî3clz+8HNO3=3clz(Nd)2+2N஺T+442஺ஹCu+4HNO=Cu(/VO)+NOT+2HO,᪷LZ[\33222QSÊCDḄCu,8Ë⏚ÍὑḄᱥCḄDÏᡠïðVñᨬó⌱õÉË⏚ᦑᫀÉSÊCDḄCu,8Ë⏚ÍὑḄÏ(3)ö÷SAu
øñV£ùÖ⁐7yf7yᙠû7iü(ýþ⁐f7yNO,ö÷SAuḄÿ
+NO3+4H++4CZ-=[AuCl]~+NOT4+2HO,2ᦑᫀAu+NO3+4H++4c=[AuCl]~+N஺T+2HOF42(4)ᵨḄMglzno/ZMuC%ᐰ
4Mg+2HAuCl=44MgCl+2Au+H1,᪷ὑImo/411c஻◤⌕ὑ2moiMg,ᑣ#$
22

25ḄMgḄ(=2molx24g/mol=48g,ᦑᫀ48-(5)12IIᒹ56789:ஹ<ᓾ>ᨔஹ@ஹABஹCDE⏚GHIJKLMNIKOPᓄRS⏀UMHIK⛳SR⏚WXIYMOPᓄRS⏀UZ᧕ᢵ8OPᓄRᨵ^ஹ⏀U_^ᡠaABM⌱cḄABᑺᨬfg70%Ḅ⏀Uᦑᫀ<ᓾ>ᨔ-C-⏀U_lmHnoE⏚GIJpqᜫ⏀U᧕ᢵ8sKᨔtDu஺vwxᱏMz{ᨵᜧḄᓫ(SiSoḄAuஹAgஹCuvwxᱏM$ᐭ⏚⏚IᑖIឋtSIYḄ@ᑣ12I@᪷⏚HIJAgஹCu,⏚SAgஹCuN
ᡠaᵨE⏚⏚I@YAM{ᨵ4gN03ஹCu(NO3)2SḄHNO3,ᔣAIYM$ᐭCu,CuᣚAg,ᑣBCu-Cu(NO3)2IY789:ஹ<ᓾ>ᨔᑮCa(NO3)2ᨔt-{ᨵAuஹSiḄtM$ᐭLLIJAuᡂ¢4uC஻SiNIKL@£ᑮHAuCLIY$ᐭ@ḄMgᑮAu=¥⚪ὃ¨ᱥ(ᑖª«¬ὃ¨▅¯ஹᑖ᪆ஹᑨ²³´µH¶·¸Mᔜᱥ(ᡂᑖ³ᐸឋ(ஹ»H
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