Eo for Zn/Zn2+ half-cell

Zn(s) + 2 H+ (aq) ? Zn2+ + H2(g) Eo = +0.76 V

Therefore,

Eo for Zn ? Zn2+ (aq) + 2e- is ??

+0.76 V.

Overall reaction is reduction of H+ by Zn metal.

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