A. 在0.1 mol/L NaHCO3溶液中:c(Na+) > c()> c() > c(H2CO3) B. 在0.1 mol/L Na2CO3溶液中:c(OH-) - c(H+) = c() + c(H2CO3) C. 向0.2 mol/L NaHCO3溶液中加入等体积0.1 mol/L NaOH溶液:c() >c() >c(OH-) >c(H+) D. 向 0.1 mol/L的CH3COONa溶液中加入等体积0.1 mol/L CH3COOH溶液:2c(H+) - c(CH3COO-) =2c(OH-) - c(CH3COOH) |