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Why can MnO2 stains on glassware be easily removed by rinsing with an oxalic acid solution?
Wiki User
∙ 12y ago
MnO2 gets reduced by the reducing agent (in this case oxalic acid). But i do think the solution needs to be acidified to provide a anion ion for the Mn2+ ions that will be produced.
Wiki User
∙ 12y ago
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