1、 - 1 - 1 A B C D 2 0.1mol L 1 pH=a pH=(a 1) A 10 B C 0.2 mol L 1 D 3 A.25 NH4Cl Kw 100 NaCl Kw B.SO2 SO2+I2+2H2O SO3 2 +2I +4H C. H2 Na Ba 2 AlO2 NO3 D.100 pH=2 pH=12 NaOH 4 A B CH3COONa C NH4Cl D NaCl 5 0.1mol L -1 HF A. c H + B. Ka HF C. D. 6 C1 V1 NaOH C2 V2 CH3COOH A PH 7 C1V1 C2V2 B C(Na + )
2、C(H + ) C(CH3COO - ) C(OH - ) C PH=7 V1 V2 C2 C1 D V1 V2 C1 C2 C(CH3COO - ) C(CH3COOH)=C(Na + ) 7 A pH 3 pH 11 pH 7 B NaOH C 0.1 mol L-1 Na2CO3 c (CO3 2-) c (HCO 3 -) D 0.1 mol L-1 c(H ) 10-13mol L -1 - 2 - 8 0.1000 mol/L NaOH 20. 00 mL 0.1000 mol/L 20. 00 mL 0.1000 mol/L 2 HA A 2 B B D c(Na + ) =
3、 c(A ) C B E n(CH3COOH)n(HCl) D 0 mLc(Na + ) c(H + ) c(OH ) 9 0.1mol/L NaOH pH = 11 NaOH 0.1mol/L CH3COOH pH = 3 CH3COOH A c(H + ) B 100 pH C pH = 7 V(NaOH) V(CH3COOH) D c(CH3COO - ) c(H + ) c(Na + ) c(OH - ) 10 NH4 A 0.05mol/L NH3 H2O B 0.1mol/L NH3 H2O 0.1mol/L HCl C 0.1mol/L NH3 H2O 0.2mol/L HCl
4、D 0.1mol/L NH4Cl 0.2mol/LNaOH 11 Na2CO3 CO3 2- +H2O HCO3 - +OH - A. B. CO2 C. Na2CO3 D. NaOH pH - 3 - 12 25 A pH c(CH3COO ) 55 13 KI KI _ 14 CO Fe 2 O 3 CO CO H 2 C 2 O 4CO 2 CO H 2 O a b _ _ _ _ _ _ _ _ _ _ _ _ _ 15 Li2O Al2O3 4SiO2 Li2CO3 Fe 3+ Al 3+ Fe 2+ Mg 2+ PH 3.2 5.2 9.7 12.4 Li2SO4 LiOH L
5、i2CO3 303K 34.2g 12.7g 1.3g - 4 - 1 _ 2 Li + SO4 2 , Al 3+ Fe 3+ Fe 2+ Mg 2+ Ca 2+ Na + _( ) PH 6.06.5 3 H2O2 Na2CO3 _ 4 _ 5 _ 16 MgCO3 (NH4)2CO3 H2O 40 10 120 1 2 40 MgCO3 3H2O 3 40 4 w(Mg)% Cl Ksp AgCl AgBr AgI Ag2CrO4 Ksp 10 13 17 12 a.NaBr b.NaI c. K2CrO4 5 ag : - 5 - 1 2 3 4 5 6 A B C B D A 7 8 9 10 11 12 C B D C B B 13 4KI O 2 2H 2 O 2I 2 4KOH 14 a e d f g h i b c CO 2 CO CO CO 2 Fe 15 (1) 2 3 Fe 2+ Mg 2+ Ca 2+ 4 2Li + +CO 3 2 =LI 2 CO 3 5 Na 2 SO 416 1 2 MgCO 3 (NH 4 ) 2 CO 3 H 2 O+H 2 O MgCO 3 3H 2 O + CO 2 +2NH 3 3 NH 3 CO 2 4 c ( ) 5
