德州宁津中考化学专题复习

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87(5)XYlmÈᐰ1ÑÄᘤDᱥbèéag,ᑣÄᘤCḄ᪵b8î_g-(ð}ñ³?ᑖᦪóô)(2006¦÷ᓭ¨)ùஹð⚪(ᐳ6ᑖ)21.$ᓄ#Ḅ°'(ûüý$°ᙠþÿ᠒ᑖᨵᵨḄஹḄᖪ᪗᝞!জḄ#$ᑖᦪ&30%ঝᑁ,-.#$1000g23456ᐸ89஺2Ḅ#$ᑖᦪ<&10%(1)?ᵨ@ᩭBᑴH2O2Ḅ#$ᑖᦪ&3%ḄFᵨ1500g,◤ᵨ@JḄ#$KLMN(2)OP@8QᑖḄH2O2Ḅ#$஺(2006STUV)WὃYᫀ![\ᑖ:^⚗`aYᫀஹ⌱c⚪⚪e1234567891011YᫀACCBDCBBBABnஹop⚪12ஹ(1)Na2c(2)tM$u-.vᐭxy8zv{|⏚(3)ᨵ~ᑈ(4)NaCO3+2HCl=2NaCl+HO+CO2t22(ᡈNa2sO4Ḅxᑺஹᓄ)13ஹ(1)ঞ(2)জ(3)ঝ(4)ট(5)ঠ14ஹ(1)HS(2)ឋ᧕-ឋp~ᜧ(3)u~¢᧕-£¤ὁ¦§¨©15ஹMg(OH)BaCl;Na2cO3Na2so4!NaNO22316ஹ(1)MgCl,(2)CaCk(3)NaClNa2co3ஹ2®ஹ34⚪17ஹ2.5g,50mL,47.518ஹ(1)ᜧᳮ³ᡈ³ᮞ³{|⏚(2)ᔣ᣸p~·(3)AஹCஹDஹE19ஹ(1)⏀º»¼~MnO2(2)A,nᓄ╎¾ᓄ2KC1O3A2KC1+3Ot2MnO2

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90H.NaOFUNa2sChஹI1O212.(1)+5(2)46:31:48:19(3)144(4)13.2%(5)0.114g/110gX100%=0.1%0.1%4-13.2%=0.76%ᨵÛÜḄ■ᑴÝᦔß஺⚗xᫀ1ஹᓫஹᓄᔠᱥஹ»ஹ஺2ஹCஹ&'ஹ`'ஹC2ஹ(1)3ஹ2ফᓫবᶍ3ஹ(1)37(2)48(3)ᜫஹRb+(4)+1®(5)D4ஹ(1)çஹ34ஹ(2)B5ஹB6ஹC7ஹপ716ফ3.3g0.11g(3)55.9%(4)0.69g+0.275gg2é8ஹপHO+C1=HC1+HC1Oফᑖ-.বCkஹO2(4)+1®22মᓄì-.íî£ḄïðஹᦪñòóᨵᦋM}xᑖ⚗~ᫀ~ஹ⌱ö⚪1——5CCDBB6——10ABDBC11ஹ(1)÷ø(ᡈúøᡈᰚq)bᓄឋ(ᡈwüýឋ)(ᐸÿᫀᔠᳮᙳ)(2)CC>2+412ஹᶍ஺13ஹᶍ஺14ஹ1128815ஹ8098%16ஹ(1)4(2)14.3%(3)45.517ஹ(1)ᙠᓄ!"#$%ᐭ'()Ᏺ+,-"#./ফ1⌲3%ᐭ45⏚+7%78₩+/⁐⌲;<ᜫ஺18ஹ(1)B,Eফ◀ᣵCDE$ḄGᓄH19ஹ(1)19.6%ফ᣸J500K⚗MNGᫀ-ஹ⌱Q⚪1----5CBCAB6----10DABCB11ஹ(1)᧕"VJ+WX᧕ᑖZফ[\ឋᱥ_,`ab12ஹᶍ஺13ஹ(1)3(2)ᶍবde14ஹ25

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