請問KMnO4的濃度?
已知Mn濃度為30mg/L(Relative atomic masses are K=39.098,Mn=54.938,O=15.999),
Ans:1.9X10-4M
收錄日期: 2021-04-13 19:07:02
原文連結 [永久失效]:
https://hk.answers.yahoo.com/question/index?qid=20121113000010KK00240