将0.5600g含钙试样溶解成254mL试液,用0.02000mol/L的EDTA溶液滴定,消耗30.00mL,则试样中CaO的含量为()。M(Cao)=56.08g/mol.


将0.5600g含钙试样溶解成254mL试液,用0.02000mol/L的EDTA溶液滴定,消耗30.00mL,则试样中CaO的含量为()。M(Cao)=56.08g/mol.

A.3.00%

B.6.01%(正确答案)

C.12.02

D.30.00%


Tag:配位滴定知识 试样 溶液 时间:2021-09-18 13:49:38