A.0.10 mol•L-1 CH3COONa溶液中通入HCl气体至pH<7:c(CH3COO-)+c(CH3COOH)<c(Na+) |
B.0.10 mol•L-1 CH3COONa溶液中通入HCl气体至pH=7:c(Na+)>c(Cl-)=c(CH3COOH) |
C.20 mL 0.10 mol•L-1 CH3COONa溶液与10 mL 0.10 mol•L-1 HCl溶液混合得到的酸性溶液:c(CH3COOH)+2c(H+)=c(CH3COO-)+2c(OH-) |
D.20 mL 0.10 mol•L-1 CH3COONa溶液与10 mL 0.10 mol•L-1 HCl溶液混合得到的酸性溶液:c(Na+)>c(Cl-)>c(CH3COO-)>c(CH3COOH)>c(H+)>c(OH-) |