已知M(ZnO)=81.38g/mol,用它来标定0.02mol的EDTA溶液,宜称取ZnO为()
已知M(ZnO)=81.38g/mol,用它来标定0.02mol的EDTA溶液,宜称取ZnO为()
A.4g
B.1g
C.0.4g
D.0.04g
正确答案:C
Tag:溶液
时间:2022-12-23 16:09:32