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If the half cell reactions are given as ...

If the half cell reactions are given as
(i) `Fe^(2+)(aq)+2e^(-)rarrFe(s),E^(@)=0.44V`
(ii) `2H^(+)(aq)+ 1//2O_(2)(g)+2e^(-)rarrH_(2)O(l),E^(@)=+1.23V`
The `E^(@)` for the reaction.

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