【毎日一問】理論基礎 2020.08.15
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選択問題：MnO2 + HCl = MnCl2 + Cl2 + H2O この反応を平衡させた後のMnCl2の係数は：（） A,1 B,2 C,3 D,4 答え：A ヒント：解き方の過程を説明できる人には追加報酬があります。答えは返信で確認できます
A。酸化還元反応では、電子の授受数は2で、反応式のバランスにおける係数は1です。
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