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Calculate the cell potential of half cel...

Calculate the cell potential of half cell having at the reaction : `M_(2)S+2e^(-)rarr2M+S^(2-)` at `27^(@)C` in a solution of pH = 3 and saturated with `0.1 MH_(2)S` for `H_(2)SK_(1)=10^(-8)` and `K_(2)=10^(-13)Ksp (M_(2)S)=1.0 ,10^(-50)E_(M^(+)//M)^(@)=1V` assume R = 10 J/K/mol and `(2.303RT)/(nF)=(0.07)/(n)`
Express the magnitued of your answer after multiplication with 25 and as nearest highest whole number.

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