A health supplement tablet containing iron$($II$)$ sulfate was analyzed by titration. A tablet weighing $2\mathrm{.}25g$ was dissolved in dilute sulfuric acid and titrated against $0\mathrm{.}100MKMn{O}_4.$ The titration required $26\mathrm{.}50mLKMn{O}_4$ solution to complete given unbalanced reaction below. Calculate the mass of iron in the tablet.

$5F{e}^{2+}(aq)+Mn{O}_4^{-}(aq)+8H^{+}(aq)5F{e}^{3+}(aq)+M{n}^{2+}(aq)+4H_{2}O(balanced)$

B$)0\mathrm{.}15g$

E$)0\mathrm{.}57$g

A$)0\mathrm{.}74g$

C$)65\mathrm{.}2$g

D$)1\mathrm{.}51$g