Balance the Following Oxidation-Reduction Reaction in Acid Solution

question 67

Multiple Choice

Balance the following oxidation-reduction reaction in acid solution:
MnO₄^-(aq) + H₂C₂O₄(aq) → Mn²⁺(aq) + CO₂(g) + H₂O(l)
The sum of the coefficients is ________.

• A)25
• B)47
• C)33
• D)18
• E)21

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