在100mL 2mol/L CH3COOH溶液中加0.02molNaOH固体 醋酸电离度=1%,求CH3COOH CH3COO- OH- H+浓度
问题描述:
在100mL 2mol/L CH3COOH溶液中加0.02molNaOH固体 醋酸电离度=1%,求CH3COOH CH3COO- OH- H+浓度
答
CH3COOH + NaOH === CH3COONa + H2O1 mol 1mol0.02 mol 0.02mol.0.02mol剩余 CH3COOH 物质的量 0.2 mol - 0.02 mol = 0.18 mol0.18 mol × 1% = 0.0018 molC(CH3COOH) = 1.782 mol /LC(CH3COO-) = 0.2 mol/LC(H+)...