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MnO_2(s) + 2H_2 O(I) +2e = Mn^2+ (aq) + 40H^- (aq)

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MnO_2(s) + 2H_2 O(I) +2e = Mn^2+ (aq) + 40H^- (aq) epsilon^o = 1.208 v 2HNO_3...
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