Which is/are correct statements about the following reaction? \[ \begin{array}{l} \mathrm{KMnO}_....

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Which is/are correct statements about the following
\( \mathrm{P} \)
reaction?
\[
\begin{array}{l}
\mathrm{KMnO}_{4}+\mathrm{FeSO}_{4}+\mathrm{H}_{2} \mathrm{SO}_{4} \rightarrow \mathrm{Fe}_{2}\left(\mathrm{SO}_{4}\right)_{3}+\mathrm{K}_{2} \mathrm{SO}_{4}+ \\
\mathrm{H}_{2} \mathrm{O}+\mathrm{MnSO}_{4}
\end{array}
\]
(1) Equivalent mass of \( \mathrm{KMnO}_{4} \) is 31.6
(2) Equivalent mass of \( \mathrm{H}_{2} \mathrm{SO}_{4} \) is 78.4
(3) Equivalent mass of \( \mathrm{K}_{2} \mathrm{SO}_{4} \) is 87
(4) Equivalent mass of \( \mathrm{H}_{2} \mathrm{O} \) is 9


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