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Calculate the half cell potential of a reaction `Ag_(2)S + 2e rarr 2Ag + S^(2-)` in a solution beffered at `pH = 3` and also saturated with `0.1 M H_(2)S. K_(1)` and `K_(2)` for `H_(2)S` are `10^(-8)` and `1.1 xx 10^(-8)` and `1.1 xx 10^(-13)` respectively. `(K_(SP_(Ag_(2)S)) = 2 xx 10^(-49), E_(Ag^(+)//Ag)^(@) = 0.8 V`)

Answer» Correct Answer - `-0.1658 V ;`


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