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The cell Pt, H(2)(1atm)|H^(+)(pH=x)|| no...

The cell Pt, `H_(2)(1atm)|H^(+)(pH=x)||` normal calomel electrode has an EMF of 0.67 V at `25^(@)C` Calculate the pH of the solution. The oxidation potential of the calomel electrode on hydrogen scale is `-0.28V`

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The correct Answer is:
`pH=6.61`
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