Question: The limiting current density for the reaction I3 + 2e 7 3 r at a platinum electrode is 28.9 A ern> when the concentration of

The limiting current density for the reaction I3 + 2e →7 3 r at a platinum electrode is 28.9 μA ern> when the concentration of KI is 6.6 X 10-4 mol dm3 and the temperature 25°e. The diffusion coefficient of I; is 1.14 X 10-9 m2 s-3 what is the thickness of the diffusion layer?

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