设CH3COOH质量为X
CH3COOH+NaOH=====CH3COONa+H2O
60 40 82 18
X 6.4g*10%
60/X=40/6.4g*10%
X=0.96g
CH3COOH质量分数
=0.96g/20g*100%
=4.8%
答:不符合5%的标准
设CH3COOH质量为X
CH3COOH+NaOH=====CH3COONa+H2O
60 40 82 18
X 6.4g*10%
60/X=40/6.4g*10%
X=0.96g
CH3COOH质量分数
=0.96g/20g*100%
=4.8%
答:不符合5%的标准