2017_2018学年高中化学第三章水溶液中的离子平衡阶段水平测试新人教版选修420170823239.doc

1、 1 _ KOH _ ( 90 100 ) _ KOH _ ( 16 3 48 ) _ KOH _ 1 ( ) _ KOH _ A H2O NH3 2O H3PO4 HF _ KOH _ B Cu(OH)2 CH3COOH C2H5OH CH3COONa _ KOH _ C H2SO3 Ba(OH)2 BaSO4 _ KOH _ D SO2 H2S CO2 _ KOH _ B C2H5OH CH3COONa C Ba(OH)2 BaSO4 D SO2 CO2 _ KOH _ A _ KOH _ 2 HClO H2CO3 (Ka) HClO ( ) _ KOH _ A HCl(g) B CaCO

2、3(s) _ KOH _ C H2O D NaOH(s) _ KOH _ Cl2 H2 HClO HCl(g) Cl2 H2O c(HClO) c(HClO) CaCO3 HCl HClO c(HClO) NaOH HCl HClO c(HClO) _ KOH _ B _ KOH _ 3 ( ) _ KOH _ A pH 7 NH4Cl c(Cl )c(NH 4 )c(H ) c(OH ) _ KOH _ B pH 4 _ KOH _ C pH NaOH _ KOH _ D Na2S NaHS Na2S pH _ KOH _ A c(Cl ) c(NH 4 )c(H ) c(OH ) B c(

3、H ) c(OH ) C NaOH _ KOH _ D _ KOH _ 4 1 pH ( ) _ KOH _ A _ KOH _ B _ KOH _ 2 C _ KOH _ D _ KOH _ CH3COOH H A H pH B H pH C NaOH CH3COOH H H pH D _ KOH _ B _ KOH _ 5 pH 2 pH 3 ( ) _ KOH _ A pH 2 c(H ) c(Cl ) c(OH ) _ KOH _ B pH 3 c(H ) 1 _ KOH _ C pH 2 pH 3 _ KOH _ D pH 3 pH 11 NaOH c(Na ) c(CH3COO )

4、 _ KOH _ A A pH 3 c(H ) 3 1 B pH 2 c(HCl) c(H ) 2 1 CH3COOH pH 3 c(CH3COOH) c(H ) 3 1 c c(CH3COOH) C pH 3 pH 11 NaOH c(Na ) c(CH3COO ) D _ KOH _ A _ KOH _ 6 ( ) _ KOH _ pH a 10 n pH a n _ KOH _ BaSO4 Ksp c(Ba 2 c(SO 2 4 ) BaSO4 c(Ba 2 ) c(SO 2 4 ) Ksp _ KOH _ 1 NaHS 1Na2S c(S 2 ) 2c(OH ) 2c(H ) c(HS ) 3c(H2S) _ KOH _ 1 1 pH a c(OH ) 10 a 1 _ KOH _ A B _ KOH _ C D _ KOH _