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The emf of a cell corresponding to the reaction. Zn(s) + 2H^+(aq) → Zn^2+(0.1M) + H2,(g, 1 amt) is 0.28V at 25°C.

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The emf of a cell corresponding to the reaction.

Zn(s) + 2H+(aq) → Zn2+(0.1M) + H2,(g, 1 amt) is 0.28V at 25°C.

Write the half-cell reactions and calculate the pH of the solution at the hydrogen electrode.

E°(Zn2+/Zn) = - 0.76V

E°H+/H2 = 0

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Half-cell reactions are :

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