已知M(Zn0)=81.38g/mol,用它来标定0.02mol的EDTA容液,宜称取ZnO为()


已知M(Zn0)=81.38g/mol,用它来标定0.02mol的EDTA容液,宜称取ZnO为()

A.4g

B.1g

C.0.4g(正确答案)

D.0.04g


Tag:配位滴定知识 时间:2021-09-18 13:48:56