1、 1 20 mL 0.1 molL 1 CH3COONa 10 mL 0.1 molL 1 HCl c(CH3COO ) c(Cl ) c(CH3COOH) c(H 1 2014 ( )20 mL 0.1 molL 1 CH3COONa 10 mL 0.1 molL 1 HCl c(CH3COO ) c(Cl ) c(CH3COOH) c(H 20 mL 0.1 molL 1 CH3COONa 10 mL 0.1 molL 1 HCl c(CH3COO ) c(Cl ) c(CH3COOH) c(H A 20 mL 0.1 molL 1 CH3COONa 10 mL 0.1 molL 1 HC
2、l c(CH3COO ) c(Cl ) c(CH3COOH) c(H B 20 mL 0.1 molL 1 CH3COONa 10 mL 0.1 molL 1 HCl c(CH3COO ) c(Cl ) c(CH3COOH) c(H C 20 mL 0.1 molL 1 CH3COONa 10 mL 0.1 molL 1 HCl c(CH3COO ) c(Cl ) c(CH3COOH) c(H D 20 mL 0.1 molL 1 CH3COONa 10 mL 0.1 molL 1 HCl c(CH3COO ) c(Cl ) c(CH3COOH) c(H B H2O2 C D 20 mL 0.
3、1 molL 1 CH3COONa 10 mL 0.1 molL 1 HCl c(CH3COO ) c(Cl ) c(CH3COOH) c(H A20 mL 0.1 molL 1 CH3COONa 10 mL 0.1 molL 1 HCl c(CH3COO ) c(Cl ) c(CH3COOH) c(H 2 ( )20 mL 0.1 molL 1 CH3COONa 10 mL 0.1 molL 1 HCl c(CH3COO ) c(Cl ) c(CH3COOH) c(H A pH 1 NaHSO4 c(H ) c(SO 2 4 ) c(OH )20 mL 0.1 molL 1 CH3COONa
4、 10 mL 0.1 molL 1 HCl c(CH3COO ) c(Cl ) c(CH3COOH) c(H B AgCl AgI c(Ag ) c(Cl ) c(I )20 mL 0.1 molL 1 CH3COONa 10 mL 0.1 molL 1 HCl c(CH3COO ) c(Cl ) c(CH3COOH) c(H C CO2 c(H ) c(HCO 3 ) 2c(CO 2 3 )20 mL 0.1 molL 1 CH3COONa 10 mL 0.1 molL 1 HCl c(CH3COO ) c(Cl ) c(CH3COOH) c(H D NaHC2O4 Na2C2O4 3c(N
5、a ) 2c(HC2O 4 ) c(C2O 2 4 ) c(H2C2O4)20 mL 0.1 molL 1 CH3COONa 10 mL 0.1 molL 1 HCl c(CH3COO ) c(Cl ) c(CH3COOH) c(H NaHSO4 c(Na ) c(SO 2 4 ) c(Na ) c(H ) 2c(SO 2 4 ) c(OH ) c(H ) c(SO 2 4 ) c(OH ) A AgCl AgI c(Ag ) c(Cl ) c(I ) B CO2 H2CO3 HCO 3 HCO 3 CO 2 3 H2 OH H2CO3 c(H ) c(HCO 3 ) c(CO 2 3 ) C
6、 NaHC2O4 Na2C2O4 1 mol n(Na ) 3 mol n(HC2O 4 ) n(C2O 2 4 ) n(H2C2O4) 2 mol 2c(Na ) 3c(HC2O 4 ) c(C2O 2 4 ) c(H2C2O4) D 20 mL 0.1 molL 1 CH3COONa 10 mL 0.1 molL 1 HCl c(CH3COO ) c(Cl ) c(CH3COOH) c(H A20 mL 0.1 molL 1 CH3COONa 10 mL 0.1 molL 1 HCl c(CH3COO ) c(Cl ) c(CH3COOH) c(H 3 1NaHCO3 ( )20 mL 0
7、.1 molL 1 CH3COONa 10 mL 0.1 mol L 1 HCl c(CH3COO ) c(Cl ) c(CH3COOH) c(H A NaHCO3=Na H CO 2 3 20 mL 0.1 molL 1 CH3COONa 10 mL 0.1 molL 1 HCl c(CH3COO ) c(Cl ) c(CH3COOH) c(H B n(H ) n(OH ) 20 mL 0.1 molL 1 CH3COONa 10 mL 0.1 molL 1 HCl c(CH3COO ) c(Cl ) c(CH3COOH) c(H C c(Na ) c(H ) c(OH ) c(HCO 3
8、) c(CO 2 3 )20 mL 0.1 molL 1 CH3COONa 10 mL 0.1 molL 1 HCl c(CH3COO ) c(Cl ) c(CH3COOH) c(H 2 D c(HCO 3 ) 20 mL 0.1 molL 1 CH3COONa 10 mL 0.1 molL 1 HCl c(CH3COO ) c(Cl ) c(CH3COOH) c(H NaHCO3 NaHCO3=Na HCO 3 HCO 3 HCO 3 H2 2CO3 OH HCO 3 CO 2 3 c(Na ) c(H ) c(OH ) c(HCO 3 ) 2c(CO 2 3 ) A C HCO 3 c(H
9、CO 3 ) D Kw c(H c(OH ) n V n V n(H n(OH ) KwV 2 Kw V n(H ) n(OH ) B 20 mL 0.1 molL 1 CH3COONa 10 mL 0.1 molL 1 HCl c(CH3COO ) c(Cl ) c(CH3COOH) c(H B20 mL 0.1 molL 1 CH3COONa 10 mL 0.1 molL 1 HCl c(CH3COO ) c(Cl ) c(CH3COOH) c(H 4 ( )20 mL 0.1 molL 1 CH3COONa 10 mL 0.1 molL 1 HCl c(CH3COO ) c(Cl ) c
10、(CH3COOH) c(H A pH 5 H2S c(H ) c(HS ) 5 1 20 mL 0.1 molL 1 CH3COONa 10 mL 0.1 molL 1 HCl c(CH3COO ) c(Cl ) c(CH3COOH) c(H B pH a 10 pH b a b 120 mL 0.1 molL 1 CH3COONa 10 mL 0.1 molL 1 HCl c(CH3COO ) c(Cl ) c(CH3COOH) c(H C pH 2 H2C2O4 pH 12 NaOH c(Na ) c(H ) c(OH ) c(HC2O 4 )20 mL 0.1 molL 1 CH3COO
11、Na 10 mL 0.1 molL 1 HCl c(CH3COO ) c(Cl ) c(CH3COOH) c(H D pH 3COONa 3 c(Na ) 20 mL 0.1 molL 1 CH3COONa 10 mL 0.1 molL 1 HCl c(CH3COO ) c(Cl ) c(CH3COOH) c(H A H2S H2 H HS 2 H H2 H c(H ) c(HS ) c(HS ) 5 1 A B pH 1 b pH b 1 B C c(Na ) c(H ) c(OH ) c(HC2O 4 ) 2c(C2O 2 4 ) C D pH D 20 mL 0.1 molL 1 CH3
12、COONa 10 mL 0.1 molL 1 HCl c(CH3COO ) c(Cl ) c(CH3COOH) c(H D20 mL 0.1 molL 1 CH3COONa 10 mL 0.1 molL 1 HCl c(CH3COO ) c(Cl ) c(CH3COOH) c(H 5 1 HA NaOH ( )20 mL 0.1 molL 1 CH3COONa 10 mL 0.1 molL 1 HCl c(CH3COO ) c(Cl ) c(CH3COOH) c(H 20 mL 0.1 molL 1 CH3COONa 10 mL 0.1 molL 1 HCl c(CH3COO ) c(Cl )
13、 c(CH3COOH) c(H A HA 20 mL 0.1 molL 1 CH3COONa 10 mL 0.1 molL 1 HCl c(CH3COO ) c(Cl ) c(CH3COOH) c(H B pH 720 mL 0.1 molL 1 CH3COONa 10 mL 0.1 molL 1 HCl c(CH3COO ) c(Cl ) c(CH3COOH) c(H C X HA Y OH Z H 20 mL 0.1 molL 1 CH3COONa 10 mL 0.1 molL 1 HCl c(CH3COO ) c(Cl ) c(CH3COOH) c(H D c(A ) c(Y) c(Na
14、 )20 mL 0.1 molL 1 CH3COONa 10 mL 0.1 molL 1 HCl c(CH3COO ) c(Cl ) c(CH3COOH) c(H 1 HA NaOH 3 1NaA c(A 1 HA A A pH7 B c(Na )c(A )c(OH )c(HA)c(H ) X OH Y HA Z H C c(A ) c(HA) c(Na ) D 20 mL 0.1 molL 1 CH3COONa 10 mL 0.1 molL 1 HCl c(CH3COO ) c(Cl ) c(CH3COOH) c(H D20 mL 0.1 molL 1 CH3COONa 10 mL 0.1
15、molL 1 HCl c(CH3COO ) c(Cl ) c(CH3COOH) c(H 6 ( )20 mL 0.1 molL 1 CH3COONa 10 mL 0.1 molL 1 HCl c(CH3COO ) c(Cl ) c(CH3COOH) c(H A Na2S c(Na ) c(HS ) c(OH ) c(H2S)20 mL 0.1 molL 1 CH3COONa 10 mL 0.1 molL 1 HCl c(CH3COO ) c(Cl ) c(CH3COOH) c(H B Na2C2O4 c(OH ) c(H ) c(HC2O 4 ) 2c(H2C2O4)20 mL 0.1 molL 1 CH3COONa 10 mL 0.1 molL 1 HCl c(CH3COO ) c(Cl ) c(CH3COOH) c(H C Na2CO3 c(Na ) c(H ) 2c(CO 2 3 ) c(OH )20 mL 0.1 molL 1 CH3COONa 10 mL 0.1 molL 1 HCl c(CH3COO ) c(Cl ) c(CH3COOH) c(H
