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The standard reduction potential for the...

The standard reduction potential for the half-cell, `NO_(3(aq.))^(-)+2H_((aq.))^(+)+e^(-)rarrNO_(2(g))+2H_(2)O` is `0.78V`.
(i) Calculate the reduction potential in 8M `H^(+)`.
(ii) What will be the reduction potential of the half-cell in a neutral solution. Assume all the other species to be at unit concentration

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