山东省高青县2022-2023学年化学九年级上册期末统考模拟试题含解析

《山东省高青县2022-2023学年化学九年级上册期末统考模拟试题含解析》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。

2022-2023
ᓄᔁὃ
1.⚪ὃஹஹஹὃ
ஹᑏᙠᔁᑁᙠᔁ᪗"஺2.$%&ᑖ⌱)⚪*+⚪⌱,ᫀ.◤ᫀᑏᙠᔁᢣ1Ḅ3ᑁ$4&ᑖ5⌱)⚪ᫀᑏᙠᔁ⚪6ᢣ1Ḅ7஺3.ὃ
89:;⚪ᓱḄ᦮>஺ὃ?@.AᔁB⚪ᓱ%CDE஺%ஹᓫ⌱⚪GAᜧ⚪ᐳ10+⚪ᐳ20ᑖJ1.ᔣ%LMᘤOPᐭᵬஹSஹTஹU4WᱥYᙠ%1ᩩ[\]
ᓄ_`abᨵᐵᦪf᝞h\ᑡjklmḄn`aYᶧ/g■`a.Yq/gA.aḄᦪrn4B.T%1stᓄᔠᱥC.vP`aḄᵬBTḄYwxy35D.Uz{vP`a2.\ᑡᑭᵨ~ᓄᳮḄnA.ᵨ◀⊟ḄB.ᵨ⏚◀┤C.ᵨ>◀⚶ᐹḄD.ᵨ⏚◀3.\ᑡaᵨ`aḄᓄ_B`almḄn

A.ᵨ%ᓄᓄCO+CuO^Cu+CCh7ᣚ`aᓰ¢B.£¤┱b1¦§O§¨wḄᓄ_`a:4P+5O2-2Pᓄᔠ`a

1C.᮱Ḅ2Fe2O3+3C=4Fe+3co2TᣚD.ᵨᑴᘤ⏚Fe+2HCl==FeCh+H2Tᣚ4.ᑡ᪗ᰦᐵḄ";A©B®஺஺ণ5.ᑡᱥ%&'()*ᔠᱥḄ"A.,-.B./.*ᔠᱥC.01Ḅ23D.4⏚56.678ᵨ972:ᐗ<⛶974:ᐗ<>'?@ABᨴᳫEᙢᳫGHI700JKLᡂ஺┯ஹ>ᐗ<ḄQRS%TḄ"
A.᪶ᑁ&RᦪB.᪶ᑁ%RᦪC.ᨬ᜜[ᵯRᦪD.]^QR%_ᦪ7.`"ᵬஹbcdefgᙳijᨔ.lḄmnopq'ᑡrst@Ḅ"glA.t/Cu'ᵬஹbcᱥ%Ḅ⛳mw&m%Ḅ%_]xB.ᵬ&iᨵH_bz{ᵨ,|mᑺḄ~sᵬC.t2°Cu'cᵬmwᐭl
gᵬ'ᡂaᵬmwD.t/Cu'20gbᐭ50g.&'ᓣ
Gt2࠷ាᑮ70gbḄ⛳mw8.ᑖ"ᱥ%Ḅ⌕~s஺ᑡᑮḄḄ"ḄA◀ᓄ&Ḅᓄ3fᙠ3&B◀&Ḅᓄᙠ23&¡G%_¢|£ᓄ

2C◀«¬OḄ¬Pᐭ®wḄ⏚ᐙᑖ`a.®°ஹ±ஹ²³D◀KCI´µOḄKC1O3Pᐭ¶wḄ4ᓄ═CP¸¹Ywº]
»ᓄB.BD.D9.\ᑡh¼{lm`᧜ᐸ¿aÀÁÂḄnGJ溶液中氯化钠的质A.量分ᔣ%1wNaOHÆÇOÈP⏚数/%0⏚ḄYwgᔣÊᓄËÆÇOPᐭÌw°ḄYw氢气质量ᔣÌwḄ¬ஹ¬OᑖÍPᐭÎYwஹÎÏÐḄ⏚/gOÑÒ/min沉一淀质量也,-------ᔣ112so4BCuSO4ḄÕᔠÆÇOÈP®wNaOHÆÇNaOHÆÇYwg10.ᙠᓄ_Ö×ØᦪÙÚÛÜ~ÝÞḄᑁß஺¿\ᑡᓄ_ᵨàOᦪÙ“2”ḄjklmḄnGJজ2Hঝ2NH3ঞSChটOঠMg?+©lOH"ঢ,஺A.⊤âãäåᦪḄnঠডB.⊤âãäᡠéᵯ₹ᦪḄnটঠC.⊤âᑖäOäåᦪḄnঞঢD.⊤âᑖäåᦪḄnজঝ4ஹñ¦⚪GAᜧ⚪ᐳ1+⚪ᐳ4ᑖJ11.᝞hnAஹBஹCòW´µᱥYḄÆóÐôõлᓄḄöh.᪷fhE

3ÆóÐ஺
1t3°CÑ50gOPᐭ50gAᱥYùᡂÆÇḄYwy
2⌕t3'CÑABCòWᱥYḄ⛳BÆÇýõᑮt/CÑòWÆÇOÆYḄYwᑖᦪᵫᜧᑮḄஹ⚪ᜧ⚪ᐳ1⚪ᐳ5ᑖ12.ᓄᧇᓄᧇ஺
1"#ᑁ%&'᣸)*+,ᘤ.■CO01COᨵ1Ḅ3o
2᝞567#ᑭᵨCOᐹᨵឋᓄ<Ḅ&=>?5஺@ᑏBCOᐹᨵឋᓄ஺
3STUVḄWXᑖ᪆COZCChᓄEឋ[\Ḅ3_________o^ஹ_`⚪ᜧ⚪ᐳ2⚪ᐳ8ᑖ13.
1abcdeḄe,ᢥgᑡiGjk67ᑴbmn,஺@o`gᑡp⚪:---------sឋtu1ᑺwa1--------1Ixy|►J,—Um-1Tmn,|,᪵-----►|A—f~ᐘ|জxy0ᨵḄᕡw◀ঝNs0ᵨᩭᡠb,᪵ᑴḄmn,ḄX஺ঞᓄḄ,ᙠNs0_________F,ḄXᩔট¡1ᑺ¢£<⏚¥
RFeO஺஺£<⏚¥0<ᐗ§Ḅᓄᔠ©¢»
2᝞5AஹBஹCªᱥ[Ḅ«¬X®@o`H

4জᙠt2'Cu'30gAᱥ%ᐙᑖmnᙠᨵ50g.Ḅ¦&'ᡠmwḄ%_¨g"©¦ᑁᱥ%ª
GtfCgὃ⇋.,|l'mw&ᓄḄ"g®¯°:l஺amᑺḄ%_bmwḄ%_cm%Ḅ%_ᑖᦪঝ²Aᱥ%&*ᨵH_BஹCcdᱥ%u'{ᵨḄ~sz³A.ঞt2࠷ḄAஹBஹCµdᱥ%Ḅ⛳mwᑖ¶ª
ᑮt/Cu'ᡠmwḄm%%_ᑖᦪᵫᜧᑮ¹Ḅº°"o
3»ᵨ%_ᑖᦪ¨6%Ḅ¼ᓄ½mwg¾o¨1.
Mg/cn?¿ᑴ50g%_ᑖᦪ¨3%Ḅ¼ᓄ½mw஺জÀÁÂ'ᡠ◤6%Ḅ¼ᓄ½ḄfĨmL".Åঝ©_Æ.u'{ÆÇÈÉᦪ'ᐸËᙳt@'ᑣ¿ᑴᑮḄmw&m%%_ᑖᦪ3%gᡈ“="l஺ঞᔣÒ49g20%ḄÓ⏚&'ᐭ7.3gÔÕᑖᓄḄÖ'ា×ᐰ஺ᑣᡠmw&m%Ḅ%_¨_g®¯°:lA15.5gB16.1gC18.1g14...mwÚÛḄ£Üஹ£ÝᐵÞ¾ᑗ஺
1àáᩭ.ᔆ£ÝḄä⌕åæ¨ç.-AgèélTBgêël->Cgìíl-Dg¼îl1.஺ïìð&èéḄᵨ".¼î"ò8ó᱐g£Üõᵨ.ö£᪗÷l&óøḄdùúᑺ'ûüᑏB¼îḄᑖRþNH2clᡠ⊤Ḅ஺জ_________________ঝ;জ,ঝ»
2ᑖᔠᱥ✌ᐜ⌕ᑖ᪆ᔠᱥḄᡂᡂᑖᔜᡂᑖḄᯠᑭᵨᐸ⌱%ᔠ〉'()*ᑖ஺᝞,-.ᑖ01ḄᔠᱥḄ'(234.ᑖ01ḄᔠᱥḄ'(஺
3᝞5.6789:;ᓄḄ5஺

5জᵬஹ?9:;ᓄ@ABᱥᳮ;ᓄḄ.DE‘'ᵬ"ᡈ“?”L,MNOᑨQR;ᓄ.ᱥᳮ;ᓄḄST.஺ᙠVW;ᓄ,X@6ᑖYDE“ᔾᦈ”ᡈ“\]”L^_஺ঝ5@Ḅᓄ`;ᓄ.ᙠaᵯḄᩩde78ḄRfgḄᦻi⊤kl.m»nஹop⚪Drᜧ⚪ᐳ2u⚪ᐳ13ᑖL15.vᓄ`ᐶxuyz16.0g{⏚}~ᓄ═Ḅᔠᱥ]ᐭᜧ@ᑴz஺ᑁᔠᱥḄ_;ᓄ᝞e5ᡠ஺
1fg@8Ḅ_________?
2ᔠᱥ@{⏚}Ḅ_ᑖᦪ?DᶇmuᦪL16.¡ᰀ£¤ᮞ¤ᐸ¦⌕ᡂᑖ.§⏚┛
CaCO3,©ᑴᓄ┛~ᓄ§஺ᐸfgḄᓄ`'Xlª¡0CaCO^CaO+COT,«:32
1§⏚┛@ᐗ®Ḅ_ᑖᦪ»
2¯°±⌕ᑴz6.6ᓟ³ᓄ§ᳮ´±◤⌕§⏚┛Ḅ_¯ὃ`ᫀ

6ஹᓫ⌱⚪(ᜧ⚪ᐳ10⚪ᐳ20ᑖ)1ஹCூ·¬௃ᵫ50º»¼ᔜᱥ[ᙠCD¾Ḅ[¿ÀᓄHᵬÂÃ4g,ÄÅw10g,ÆḄ[¿ÇÀ᪷É[¿ÊឤÌͼ¯wCDḄᔜᱥ[Ḅ[¿ÎZÏÐNᡂḄᔜᱥ[Ḅ[¿ÎZᡠ.ÑḄ[¿ÂÃ6g஺A.aḄᦪÓ10g-6g=4g,⌱⚗ÕÖB.×CDHᵬ+ÑtÄÄÌÚÐᓄᔠᱥ⌱⚗ÕÖC.¯wCDḄᵬZÄḄ[¿4gl()g=25⌱⚗┯ÜD.ÆḄ[¿À¯wCD⌱⚗ÕÖ஺ᦑ⌱C஺ூÞß௃ᓄᔠCDḄNᡂᱥZᑖ¬CDḄCDᱥàÌᓄᔠᱥ஺2ஹCூ¬᪆௃AஹᵨáâJãâäᑭᵨåᓄᳮ«¬.ᦑ⌱⚗┯ÜBஹᵨçè⏚J◀<┤ᑭᵨåᓄᳮᑭᵨçè⏚Z<┤CD.ᦑ⌱⚗┯ÜCஹᵨãêëJã⚶ᐹíḄâäᑭᵨîãïᑺðâäḄåᓄᵨ.ᦑ⌱⚗ÕÖDஹñ⏚◀,òñ⏚Z,òCDᦑ⌱⚗┯Ü.`ᫀHCூÞó௃⚪ô⌕ὃöᱥ[Ḅឋ[Zᵨ⌶ᱥ[ᐹᨵøªឋ[¬`ùD×ᳮ¬ᱥ[Ḅᵨ⌶ᵫᱥ[Ḅúªឋ[ûÌḄ.3ஹDூ·¬௃A.ᵨᓄᓄüHCDᩩþw+£ÿ
Ḅᱥᓄᔠᱥᣚ஺ᦑA┯஺Bஹ┱Ḅᓄᑭᵨ#$ᦑB┯஺Cஹ%᮱'(Ḅ)ᳮ+ᓄ,-ᓄ(ᙠ%/ᩩ12ᡂ($4ᓄ,,-ᓄ(2ᡂ($4ᓄ,ᦑC┯஺Dஹ(-5⏚2ᡂ7ᓄ8($9:ᵨ(ᑴ<ᘤ>?@5⏚AᓄBCDEFe+2HCl==FeC12+HT#
2ᵫ+ᓫH-+ᓄᔠᱥ2ᡂ+ᓫH$+ᓄᔠᱥḄᣚ஺ᦑDIJ஺ᦑ⌱D஺4ஹAூM᪆௃AஹPᡠR᪗T⁚V᪗T-WXᡈᰦ[\ᨵᐵ_ᔠ⚪abBஹPᡠR᪗TἭdef᪗T-WXᡈᰦ[ᨵᐵ_ᔠ⚪abCஹPᡠR᪗TἭdᔾe᪗T-WXᡈᰦ[ᨵᐵ_ᔠ⚪ab

7DஹPᡠR᪗TἭdW?eiᰦj᪗T-WXᡈᰦ[ᨵᐵ_ᔠ⚪a஺ᦑ⌱A஺5ஹCூkM௃AஹlmVᵫnᱥHoᡂḄpqᱥ_ᔠ⚪abBஹrVsᔠᱥᵫnᱥHoᡂḄpqᱥ_ᔠ⚪abCஹtqḄᵫuஹvwxᱥHsᔠyᡂsᔠᱥ_ᔠ⚪abDஹ%z⏚{ᵫnᱥHoᡂḄpqᱥ_ᔠ⚪a஺ᦑ⌱C஺ூ|}௃ᵫᡈwxḄᱥHsᔠyᡂḄ~sᔠᱥbᵫ+ᱥHoᡂpqᱥ஺6ஹBூkM௃ᐗᐹᨵnHᦪḄ+)ḄᡂHᦪnnᐗHᦪnḄnᐗᦑ⛶ஹᐗḄ)HnḄHᦪᦑ⌱B஺ூ|}௃ᐗḄᵫ᪶ᑁHᦪḄ᪶ᑁHᦪnnᐗ᪶ᑁHᦪnnᐗ஺7ஹDூkM௃Aஹt/CvHḄᵬஹᱥHḄ⛳$HḄHvbᦑ⌱⚗┯஺BஹᵬᱥHM/ᜧᵬᨵᵨ¡/ḄB¢£pᵬbᦑ⌱⚗┯஺Cஹ¤ᨵJᵬH12cc|ᵬ¥ᐭ10gᵬ:Jᔲ:¨ᡂa|ᵬbᦑ⌱⚗┯஺Dஹti°C20g¥ᐭ5()gVᓣ/ª12cᱥHḄME40g,ᑣ50gVᨬ:M20g®¯ា±²ᑮ70gḄ⛳$bᦑ⌱⚗IJ஺ᦑ⌱AD஺8ஹCூkM௃AஹᜧḄ4ᓄ,¯sᨵḄ+ᓄ,¯:|W
´sᔠᱥ¯µ¶·¸Ḅᓄ¹º´+ᓄ,»ᓄE4ᓄ,bᦑ⌱⚗┯bBஹ,¼ᙠ·X½24ᓄ,¯ᨵᦔᡂᑖÀÁ◀BᫀÄbᦑ⌱⚗┯bCஹż:-@5⏚½27ᓄÅ$9ÆǼ:-@5⏚¶ÈÉÈÊᨵÇBᫀÄbᦑ⌱⚗IJbDஹ◀ËKC1®¯ḄKCKh¥ᐭḄ4ᓄ═Í¥¸ªHÎÏ2¨ᓄᒕÑ®¯7ᓄ{$4ᓄ═sᔠᱥBᫀÄbᦑ⌱⚗┯bᦑ⌱ACo

89ஹAூᑖ᪆௃¸ᓄ¹~º»⏚fg8ᡂ{ᓄ¹~6¼~º½⏚fg8ᡂ½⏚¼~¸¾~º½⏚fg8ᡂ½⏚¿¾~¸º½⏚~¸ᓄ¹fg8ᡂ½⏚¹~6¸ᓄ¹~½⏚Àfg8ᡂ¸ᓄÀ~½⏚¹஺ூÁÂ௃AஹᔣmÄ_NaOHÅÆ@Ǻ»⏚ḼÇḄº»⏚Ḅ_Ḅ0QÉÅÆ@{ᓄ¹Ḅ_ÊᩭÊÌ͸ᓄ¹ÎÏᐰÑfgÒ{ᓄ¹Ḅ_ᑖᦪᨬḼº»⏚ḄÔÕÇ{ᓄ¹Ḅ_ᑖᦪÖ⌲ØÙÚᦑA0ÜÝ2Bஹ¸ᓄ¹Åƺ\,X@ÅÆḄpH⌲ØÞuß.0àuBáB7,ᦑBÜÝ2CஹâAã⏚fg¸ᩭäB⏚@Ḅ¸ᐗ®åª⏚Ḅ_~æOç1èâAé_ᡠê8ᡂḄ¸Ḅ_gRçá5ëgR.ìfgíOḄ01߸Ḅ_çáfgíOgR.¼î¾᠒ᦑCÜÝ2DஹᔣH2s04~CuSChᔠÆ@ÇNaOHÅÆ9ὅñãNaOH78fg¸ᓄ¹~º½⏚ᐜfg⏚ÒᐰfgNaOHòãCuSChfgóôìõöᦑDÜÝ஺ᦑ⌱A஺10ஹCூÂ᪆௃জ@⊤Ḅ.YWᦪঝ⊤ḄᑖYWᦪঞஹঢ⊤ḄᑖY@YḄWᦪট⊤Ḅ.ᓄᔠúঠ⊤Ḅ.Yᡠüᵯ₹ᦪড⊤Ḅ.YWᦪᦑ⌱C஺ஹEÿ⚪
ᜧ⚪ᐳ1⚪ᐳ4ᑖ11ஹ90gB>A>Cூ᪆௃᪷Ḅজᱥᙠ"#$%Ḅ&'(#ᱥḄឋঝ+,-.ᱥᙠ."$%Ḅᜧ&'ᑨ0⛳234Ḅ5ᑖᦪḄᜧঞᑨ0ᱥḄ8$9ᓄḄ9ᓄ;<&'ᑨ0=>?$@ᨔBCDE@ᨔḄFGHᑮJKᱥḄLḄ஺
1=>ᑖ᪆Nt3°COAᱥḄC80g,ᡠ50gQ4R50gᱥSᡂ3Ḅ5U90g"
2tJCOBᱥḄᨬᜧAᱥWXCᱥḄ8$Ḅ?Y'Zᜧ-[᪆ᨔ\]ᢥ᯿t3°COḄ`aᡠbt3࠷OABCcdᱥḄ⛳23?$ᑮt/COcd34Ḅ5ᑖᦪᵫᜧᑮḄfgCB>A>Cohijkl⚪LO✌ᐜ⌕pq2ᳮsᐸuᵨḄᭆx2yz5ᑖᦪsᐸᨵᐵ`a⛳232-⛳23Ḅᭆxsᐸ}~9FGsᱥḄ2@ᨔḄFG}ᐵNᯠ᪷ᡠḄஹ⚪;ᡈ⊤@ᔠᡠḄ}ᐵN2ᢈᨬᢥ᯿⚪LḄ⌕ᙢjᓽ஺cஹ`a⚪
ᜧ⚪ᐳ1⚪ᐳ5ᑖ12ஹ"ᓄ᩽᧕⊈¡¢@ᔠ⌼ᡂ¤¥FeO+3CO^^2Fe+3CO232CO+CaOH=CaCOJ+HOᑖ¦Ḅ᪀ᡂ-.2232ூ¨௃
I©ªᑁ-¬®᣸°±²³Qᘤ᝞¶±²±·-ᐙᑖ[¹ᡂco,"ᓄ᩽᧕⊈¡¢@ᔠ⌼

9ᡂ¤¥;»$(2)"ᓄ2ᓄ¼»$%¹ᡂ¼2½ᓄ3CO+FeO,^2Fe+3CO22s½ᓄu¾¿ÀᮞQ9ÂÃC½ᓄÄᓄ┛Æ\¹ᡂ⏚┛ÈÉ2QCa(OH)+CO=CaCO,J+H,O"22(3)ᑖ¦CÊᢝᱥᓄឋḄᨬ̦"ᓄᵫ"ᓄᑖ¦᪀ᡂ½ᓄᵫ½ᓄᑖ¦᪀ᡂCO2CO2ᓄឋ-.ḄÍÎᑖ¦Ḅ᪀ᡂ-.஺ÏஹÐj⚪(ᜧ⚪ᐳ2⚪ᐳ8ᑖ)13ஹÓឋÔÕḂQ×Ø+670be?$@ᨔB>A>C2425ñᓄḄQᙠ¹Ó4=>R³ஹ×ØFG?YQḄïòᩔôটö÷ᑺU»¼⏚ù(KzFeOQ஺»¼⏚ù4ᐗäU-2ûùᐗäU+1û¼ᐗäḄᓄᔠûU+3û⊤üUK,FeO஺4(2)জᙠ12cOᵬᱥḄU40g,b30gAᱥᐙᑖᙠþᨵ50gQḄ·ÿ
20g,ᡠḄ20g+50g=7()g"ᑁᱥt/C,ᓄḄaᑺḄᦋb
᪆
!"c
᪆
!"
ᑺ
ᑣḄᑖᦪ&ᦑ⌱)be"ঝAᱥḄ*+*,-.ᜧ
0Aᱥ1ᨵ"BஹC45ᱥ6
7ᵨ9ᨔḄ;<=>?@A.ঞt2࠷ḄAஹBஹCB5ᱥḄ⛳DᑖEᑮt/C6
AஹB
G᪆
HBḄ*ᜧIA,CᱥḄ*ᙠt2°C6
*ᨬL
ᨵ᪆
ᑖᦪ
MᯠᨬLᡠḄᑖᦪᵫᜧᑮ&ḄPQ)B>A>C"(3)RSTᵨᑖᦪ6%ḄUᓄVWᑴ50gᑖᦪ3%ḄUᓄV஺জW56

UᓄVḄm=50gX3%=L5g,ᡠ◤6%ḄUᓄVḄ=]=25g,ᑣ6%25g_`#24mL"abᐭbḄ=50g-25g=25g"1.04g/mLঝeb6
7efghᦪ
ᑣR▭eḄ__`jᜧᐸlmnᙳpq
ᑣWᑴᑮḄrᑖᦪ<3%"ঞ)stᡂv⏚xḄX஺

10ᨵÒ⏚ɽÓÒ⏚ÅḄÔᐵÕÖ:HSOZnSO2449816149gx20%x98_161⁎ÙTMx=161gᦑ⌱AB.14ஹÚÛVÜÝᩖHß⊤R+7áâᱥH⊤R+7áᵫuᐗஹ9ᐗ$7ᐗoᡂḄ⊤R1ã+7áᑖ⊤R1ã+7áᑖᵫ1ãu)ஹ2ã9)$1ã7)᪀ᡂ⚩æᜧçè|ᑖ¤ᨵᦋ¨ᔾᦈVëᵯ9+ூkM௃(1)îV✌ᐜ¥ñòñòVÉ2ᡂḄóôᱥ:ᔾ▬VÜÝḄ®¯ᩖHöᩖHßᦑ÷ḄÚÛVÜÝᩖHß஺+7áḄᑖDNH2C1,øùaúA⊤R+7áâᱥH⊤R+7áᵫuᐗஹ9ᐗ$7ᐗoᡂḄbûùaúA⊤R1ã+7áᑖ⊤R1ã+7áᑖᵫ1ãu)ஹ2ã9)$1ã7)᪀ᡂ஺(2)ᱥH⚩æḄᜧçnᨵḄ:µ¶ÈüḄýᨵḄ:¶Èᑖþ⚩æᜧçnḄsᔠᱥḄB¢b᪷
ᔠᱥᱥḄᵨḄᑖᩭ᝞Ḅᑴᦑ"ᑖḄ
ᔠᱥḄ஺(3)$%&'()*+ᑖ,-.ᨵ012ᓄ45ᱥᳮ2ᓄ7$%ᑖ,8◞2ᜧᑖ,ᔾᦈ=>஺(4)ᵫ'(@A%ᵬCᑖD1ᡂFGHIJH⊤LMNO⌴QGH+JH஺SஹUV⚪(Yᜧ⚪ᐳ2[⚪ᐳ13ᑖ)15ஹ(1)4.8g(2)76.6%ூ^D௃(1)`ab1JHḄ>NO16.0g-ll.2g=4.8g"(2)cd
ᔠᱥe⏚gḄ>NxMnO22KC1O=^2KC1+302T3245'96x4.8g245_xx=12.25g

11y1ᔠᱥU⏚{Ḅᑖᦪ)12-25gxl00%«76.6%16g16ஹ(1)48%(2)15kgூ}௃)(1)⏚┛ᐗḄᑖᦪ)ᓟஹ100%=48%(2)s)ᳮ◤⌕⏚┛ḄX஺CaCO:CaO+CO2T310044x6.6kg100_x446.6kgx=15kg)ᳮ◤⌕⏚┛Ḅ15kg஺