搜索 - 科创

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引用第5楼370596521于2011-05-21 13:30发表的 : 化学方程式有问题，反应还会生成水！应该是2KMnO₄+ 3H₂O₂==== 2KOH + 2MnO₂↓ + 3O₂↑ + 2...

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