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What would be the electrode potential of a silver electrode dipped in a saturated solution of `AgCl` in contact with `0.1 M KCl` solution at `25^(@)C` ? `E^(c-)._(Ag^(o+)|Ag)=0.799 V ` `K_(sp)` of `AgCl=1xx10^(-10)` |
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Answer» `Ag|AgCl,0.1 M KCl` `E=E^(c-)-(0.059)/(1) log .(1)/([Ag^(o+)])` `[Cl^(c-)]=0.1` `[Ag^(o+)]=(K_(sp))/([Cl^(c-)])=(10^(-10))/(0.1)=10^(-9)` `E=0.799-(0.059)/(1) log .(1)/([10^(-9)])` `=0.799-0.059xx9=0.799-0.531=0.268V` |
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