试题详情

称取氯化锌试样0.3600g,溶液水后控制溶液的酸度pH=6,以二甲酚橙为指示剂,用0.1024mol/L的EDTA溶液25.00mL滴定至终点,则氯化锌含量为()。M(ZnCl2)=136.29g/mol

A96.92%

B96.9%

C48.46%

D48.50%