A plot of current (amperes) versus the square root of scan rate (volts/sec) for the ferricyanide/ferrocyanide (n=1) reaction give a slope value of 0.0001257. The electrode diameter is 1.5 mm. The concentration of ferricyanide is 10 mM. Calculate the diffusion coefficient in cm2/sec.

Fundamentals Of Analytical Chemistry
9th Edition
ISBN:9781285640686
Author:Skoog
Publisher:Skoog
Chapter18: Introduction To Electrochemistry
Section: Chapter Questions
Problem 18.27QAP
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A plot of current (amperes) versus the square root of scan rate (volts/sec) for the ferricyanide/ferrocyanide (n=1) reaction give a slope value of 0.0001257. The electrode diameter is 1.5 mm. The concentration of ferricyanide is 10 mM. Calculate the diffusion coefficient in cm2/sec.
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