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Question
Balance the following oxidation-reduction occurring in acidic solution.
MnO4-(aq) + Co2+(aq) → Mn2+(aq) + Co3+(aq)
A) MnO4-(aq) + 8H+(aq) + 5Co2+(aq) → Mn2+(aq) + 4H2O(aq) + 5Co3+(aq)
B) MnO4-(aq) + 8H+(aq) + Co2+(aq) → Mn2+(aq) + 4H2O(aq) + Co3+(aq)
C) MnO4-(aq) + 4H2(g) + 5Co2+(aq) → Mn2+(aq) + 4H2O(aq) + 5Co3+(aq)
D) MnO4-(aq) + 8H+(aq) + 2Co2+(aq) → Mn2+(aq) + 4H2O(aq) + 2Co3+(aq)
E) MnO4-(aq) + Co2+(aq) → Mn2+(aq) + 2O2(g) + Co3+(aq)
Answer
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