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1 December, 21:28

The given potentials are observed for a calomel electrode: E ° = 0.268 V and E (saturated KCl) = 0.241 V. Use this information to predict the value of E for a silver-silver chloride electrode saturated with KCl. For the silver-silver chloride electrode, E ∘ = 0.222 V.

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  1. 1 December, 22:50
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    Answer: The E for Silver-silver Chloride electrode = 0.287 V

    Explanation:

    Silver/Silver Chloride (Ag/AgCl) with a value for E° that is actually + 0.222 V or approximately 0.23 V has the actual potential of the half-cell prepared in this way as + 0.197 V vs SHE, (Standard Hydrogen Electrode) which arises because in addition to KCl, there is the contribuion of AgCl to the chloride activity, which isn't exactly unity.

    Therefore, the E for the Ag/AgCl electrode would approximately equal 0.287 V
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