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Question

Calculate the potential of hydrogen electrode in contact with a solution whose pH is 10.

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Solution

given pH=10
we known that pH=log[H+]
[H+]=1010M
also for hydrogen electrode : Ecell=E00.05911log|H2||H+|
(no of electron included =1)
E=0
Ecell=0.05911log(11010)
Ecell=0.591V

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