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A cell contains two hydrogen electrodes. The negative electrode is in contact with a solution of 10^-6M hydrogen ions.

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A cell contains two hydrogen electrodes. The negative electrode is in contact with a solution of 10-6M hydrogen ions. The emf of the cell is 0. 118V at 25°C. Calculate the concentration of hydrogen ions at the positive electrode.

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(Positive polarity) [H+] = aM

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