Chemistry

Problem

In the reaction:

\text{Mn}^{2+} + \text{S}_2\text{O}_8^{2-} \longrightarrow \text{SO}_4^{2-} + \text{MnO}_4^-

(acidic medium), the number of moles of

\text{S}_2\text{O}_8^{2-}

required to oxidise 2 moles of

\text{Mn}^{2+}