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1、 2019 2019 10 H l C 12 O 16 Na 23 Mg24 I4816 3 48 1A.MSN QQB.C.D.2A.SQNQQB.C.D.3 molC2H4 g1 mol CQ g 3A B C 1 mol 22.4 LD 4A pH1 Na+K+Mn0 B pH7 Al3+CSO2HCO C pH12 Na+AI02SO2K-D pH0 Na+K Fe2+CIQ 5 FeCIsNaHCCA B C D 6A100mL 1mol/L Na2CQ3O.INA B 1moI NAC 25CpH131.0 L Ba QH 2QH0.2 N A D.NAC2H22.4L28gNa2
2、SQ4Na2SQ3Na2CQ3NaCI B.BaCl2HCI D.AgNQBaCl2 8A NaQHN&QFeCl2 7A.BaChHCI C.AgNQHNQ 1 B.1 mol L NaOHFeCbFe OH 3C.D.Fe2+9+3 FeCI2 FeHbSQKNO FeNO2 FeFQQA.B.C.D 10Cff CuCu2NHCuSO 10 mol/LAB.NHQuSO C.D.NHCuSO0.5 mol 11A.NaHSOBa(OH)2H+SQ2+Ba2+OH=BaSO4 J+H2O B.NaCIOFeCl2Fe2+2CIO-+2H 2O=Fe(OH)2 J+2HCIO C.NHHSO
3、NaOHNH+H+2OH-=NMf+2 H2O D.1moI/L NaAIO 21.5moI/LHCI 6AIO2+9H+3HaO=5AI(OH)3 J+AI3 1215mL2moI/L NazCO?20 mL1.5moI/L MCI nMMCI nnA.4 B.3 C.2 D.1 13NaOHa molNazOb molNaQc moI NaOHNaOH abc A.a=bv c/2 14NaOHVA.CO2-SO2-NOB.n(NH/)=0.2mol C.H+Mg+Al3+D.n(H+)n(AI 3+)n(Mg2+)=1 1 1 15COV L NaOHB.a=bc/2 C.a=b=c/2
4、 D.a b c H+NH+Mg+A|3+Fe3+CO2-SO2-NO-NaOH a g bgCaCl2A.CO0.224a L B.NaOH?C.a=bCONaOHNaCOD.baaa164.9MgFeHNO(Fe2+)2.24L(N)J,A.6g B.8g C.10g D.10.5g H52 172()A B.25ml2O.OOmlNa2CO C.D E F GNaOHNaOHNaOFNQONaOHH 1810NO+4H+3e f NO+2HO KMnO NQCOCuO FQ(SQ)3 1 230.2molmol41mol198Na+Ag+Fe3+BfAl3+AIO2SO1 2 3 4SO
5、2 1234403 mol FD0 4 mol E 2116N&QNQQ+2H2O 2NaOH+H2QfQ2HQ-2HO+QT2.00g 112mL250mL25.00mL0.01mol/LKMnO24.20 mLK MnO1500ml250ml150ml2()3NQQN456()226CO CO1.43g/L NQQ 2.24L1COCO22010ABCDE:A h1EF2FDC3ZBZB20114812345678DBBCAABA910111213141516CDDCABCD 172 BDEG18102 3CU2O+14HNO 3=6CU(NO3)2+2NO T+7H2O 30.64NO?1982 2S+SO3+6H+=3S J+3H2O Al 3+3HCO 3 AI(OH)3 J+3CO2T BaCO3 BaCO3 BaSO4 AIO2S2SO32Na+2082 O=C=O Na+:O:O:2-Na+2Na2O2+2H2O=4Na+4OH-+O2T 3O3+2H+21=O2+l2+H2O c Na+c HCO3-c CO32-c OH-c H+21162 150ml 2MnO+5H2O2+6H+=2Mn2+5。21+8H2O 62.4%226124(1)V(CO):V(CO 2)=3:1(2)n(Na2CO3)=0.1mol n(O2)=0.0125mol