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Determine of pH: The following cell has ...

Determine of `pH`: The following cell has a potential of `0.55 V` at `25^(@)C`:
`Pt(s)|H_(2)(1 bar)|H^(+)(aq. ? M)||Cl^(-)(1 M)|Hg_(2)Cl_(2)(s)|Hg(l)`
What is the `pH` of the solution in the anode compartment?
Strategy: First, read the shorthand notation to obtain the cell reaction. Then, calculate the half cell potential for the hydrogen electrode from the observed cell potential and the half cell poten-tial for the calomel reference electrode. Finally, apply the Nernst equation to find the `pH`.

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