九年级化学全书重难点全册

九年级化学全书重难点全册

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时间:2023-06-28

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2310ஹᑡLGᵨΣÏᵨЦ^Ñᑴu=Ḅ%&A&ⅅpḄ=>AÓ@Aᓣ*B²ᜧ஺ÔÕᓄ┛Ḅ=>AÓ@AḄᓣ*B஺×ØḄ=>AÓ@A6ᓄiᜧ஺23Ḅ=>AÓ@Aᓣ*BE஺UAஹᵨKdᕡḄpBஹÚᜋᵨḄMᮞÜCஹÝᑴÞßḄ×ØDஹàᜩâᑴã11ஹᨵ=fᑖᦪz20%ḄØ⏚100g,ᣵ2g=ᑺᒕḄØ⏚=Ḅ=fᑖᦪ%&C&┯ç>^)Ø⏚==fᑖᦪ=&100gX20%4-100g-2gX100%>20%ᑖ᪆)Ø⏚ᐹᨵᢵឋÐ|=fE:஺UoAஹᜧK20%Bஹ¥K20%Cஹ:K20%Dஹ^`e12ஹëᵨìAzL84g/cn?Ḅuí⏚Ñᑴ500gfᑖᦪz20%Ḅsí⏚஺îïðᡠ◤uí⏚Ḅ3òóôzᑡ-^_`Ḅ%&CAஹõ◤⌕ö÷ḄìAzlg/cm3Bஹõ◤ö÷20%Ḅsí⏚ḄìAz1.14g/cn?Cஹõ◤ö÷ìAz1.84g/cn?Ḅuí⏚Ḅ=fᑖᦪz98%Dஹ⚪ᩩwᐙᑖi◤⊡ᐙᐸûᦪü13ஹᢥᡠËḄAஹBஹCᱥ=>Aþÿ120࠷ᱥḄᵫᜧᑮ᣸ᑡCBA,ᢥឋ᧕ᱥ஺᧕ஹ"ஹ#ஹ$%260࠷&ᨵ100g(ḄAஹBஹCᱥḄ⛳*+,-./20࠷ᨵᨔ1᪆3ḄAB,ᐸ5᪆367A,8ᨔ1᪆3ḄC஺14ஹ9:ᑴḄ<=1ᱥḄ>?᝞AᡠC130࠷ᵬᱥḄE30g஺2ᵫAF"GHḄIJᨵKLMজᵬᱥḄO.ᓣQRS℉UᜧVঝXᱥḄO.ᓣQYᓄ[ᜧVঞt࠷ᵬஹX<ᱥḄ]^Vট⌕aᵬᱥb+5cᨔdᵨfᓾh⛳*+ḄijVঠ⌕aXᱥb+5cᨔ"dᵨlmᑺḄijVডᵬᱥ5&ᨵpqXᱥ,"dᵨfᓾh⛳*+cᨔjᩭstᵬᱥ஺15ஹuᙠwxmyz7{|}~ᙠ(5ḄḄ᳛஺1b}ᑮḄ"}~ᙠ(5Ḅ᳛Ḅ{|5ᑏ3ᐸ5Ḅ⚗⚜{|Ḅ᳛Ḅ~஺{|.Ḅ⚜.ᓣQ-%᠒%஺{|ᨔ1⚩ᜧḄ⚜⚩஺{|ᤅḄ⚜ᤅ}Ḅ஺bᡠᑡ{|5⌱3Ḅ⚜Ḅᫀᤅ~஺ᙠ<¢£5ᔜ¥ᐭ50ml(ᑖ¨©ª2g⚩ᜧ]«Ḅ«¥¬¢£5ᙠ•¢£5ᤅ®¯°±<¢£5Ḅ²ᐰᡠ◤µ஺

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26C+⏚´45I×⁐Ḅ஺AஹBaCbNaOHNaClCaClBஹMgNOKNONaClZnSO23234CஹCuSOKC1Na2so4NaNODஹNa2cO3CaCbA1NOKC1433210ஹᑡᔜ!⌱ᐸ$%ᑺᓽ(␺*Ḅ,ABᐜᵫ0⁐2ᱯ4ᩭ678᪷:ᓄ<ឋ>?ᵨAABᔠD␺*஺AFCuSCU,H⁐ḄICuS04Jᐭ!ALFMNH⁐OPḄQNaOH,TNUḄQMgCLBFAABᔠYMNḄNUᔜZ[஺AஹCuSC4ஹNaOHஹMgCbBஹBaNO,NaCChஹHNO332CஹNa2co3ஹBaCbஹCaNODஹNaOH,H2so4ஹKOH3211ஹNᨵA^ᜫ`᪗bḄT⁐ᑖ*,de⏚ghijᮞlmnALop␺*஺প␺*rsḄtDᨵuvwxᑏ%ᑺz{|}জ⏚᝞Na2c஺3ঝCO?ঞ(ឋ᝞CuCbট᝞Znঠᢣᑺ஺ফᐸFḄL␺*tDᒹஹNU|}ᔣAḄ%F᎔ᐭALᔜ¡¢ᑖ*£JNa2c03ᨵ¤¥¦§Ḅ¨Qde⏚ᨵ©⁐OP¦§Ḅ¨Qhijᮞl஺ªḄ«¬⌕®⌕ᒹ°ᘤஹ£Jஹ²᪵NUᒹMN¤´ஹOPஹµ⁐¶·ª¸⌕ᢣM“¨ᱥ>”,¼½ᱥ>஺12ஹNᨵAஹBஹCஹDஹE¿^T⁐rsᑖ*,⏚ஹÀᓄÁஹÂᓄ┛ஹÄÂᓄ┛g⏚ÁIrsopÅᑡÆÇÈÉᑮ᝞NU}জBËCABᔠ¦§©⁐OPঝBËDABᔠ¦§©⁐OPঞBËEABᔠ¦§¤¥টCÌÍT⁐ÎÏ%µÐ஺ᑖ᪆ÒÆÇNUÓMAஹBஹCஹDஹEḄᓄ<Ôᑖ*,30kNa2co3ஹCaOHஹCaClrHC1஺×ØÙẚÛÜ⚪ÞßঞটÒÙẚটàáCâãឋঞàáBᡈE,⏚ᡈ⏚ÁᑣCQÄÂᓄ┛஺Ü⚪æ(çI¿LAABᔠᑡ⊤éMêëNUìíîNUïðYñM᝞BËCஹDBᔠò¦§©⁐OPàáB,⏚Á஺13ஹóô,ÆÇFᔜᱥ>ḄµᓄᐵÅÂᓄJᐭö÷Ḅd⏚ñᑮAÂᓄgḄBᔠᱥøᐭù÷ḄĤúJûñᑮü´BAËü´Bêëñᑮ¤´CஹDஹü´ýᱥE஺1ᑏMÂᓄìd⏚êëḄᓄ

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