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# What is the e.m.f of the cell for the reaction $Fe^{2+} + Zn \rightarrow Zn^{2+} + Fe$ ? Given that $E^0_{Zn|Zn^{2+}(1.0M) }=0.76\: V \: and \: E^0_{Fe|Fe^{2+}(1.0M) }=0.41\: V$

$\begin {array} {1 1} (1)\;1.17 V & \quad (2)\;0.35 V \\ (3)\;-1.17 V & \quad (4)\;-0.35 V \end {array}$