xiaobin0520
幼苗
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中文若干年前翻译的是当量.
The equivalent is formally defined as the amount of a substance which will either:
react with or supply one mole of hydrogen ions (H+) in an acid–base reaction; or
react with or supply one mole of electrons in a redox reaction.
The answer is 0.15/3=0.05mol H3PO4, (A).
1年前
6