Balance the Following Oxidation-Reduction Reaction in Acid Solution

question 114

Multiple Choice

Balance the following oxidation-reduction reaction in acid solution:
SO₃^2-(aq) + MnO₄^-(aq) → SO₄^2-(aq) + Mn²⁺(aq) + H₂O(l)
The sum of the coefficients is ________.

• A)23
• B)30
• C)13
• D)45
• E)28

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