求高人指点分析化学酸碱滴定法习题

1个回答

pH = pKa + log(氯乙酸根摩尔/氯乙酸摩尔)
4.4 = 2.87 + log(氯乙酸根摩尔/氯乙酸摩尔)
氯乙酸根摩尔/氯乙酸摩尔= 33.88 = (0.20 - X)/X
X=0.0057 摩尔
0.0057/0.2=0.0287 =2.87%