Question: Calculate the limiting current that would be expected from the reduction of 2 x 1 0 - 4 M Pb + , using the DME

Calculate the limiting current that would be expected from the reduction of $2$ x $10 - 4$ M Pb $+,$ using the DME characteristics, m $= 2.0$ mg $/$ s and t $= 4$ s $.$ The diffusion coefficient of Pb $2 +$ is $1.01$ x $10 - 5$ cm $/$ s $.$ ia $= 1.8 \$ times $10 - 4$ A

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