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Calculate the pH of the cathode compartment for the following reaction given ℰcell = 3.01 V...

Calculate the pH of the cathode compartment for the following reaction given ℰcell = 3.01 V when [Cr3+ ] = 0.15 M, [Al3+ ] = 0.26 M, and [Cr2O72− ] = 0.65 M.

2 Al(s) + Cr2O72−(aq) + 14 H +(aq) → 2 Al3+(aq) + 2 Cr3+(aq) + 7 H2O(l)

pH=?

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