Cyclic voltammetry was used to measure the peak current at several different scan rates for the reversible reaction Sn(IV) → Sn(II) of an organic tin-containing complex. The concentration of the reactant is 4.96 mM and the area of the working electrode is 0.0250 cm². Calculate the diffusion coefficient of the reactant for this two-electron reduction. Scan Rate (V/s) 0.0135 0.0279 0.0538 0.0951 0.149 0.201 0.274 Peak Cathodic Current (μA) 4.12 5.48 7.70 9.87 12.52 14.91 17.59

Cyclic voltammetry was used to measure the peak current at several different scan rates for the reversible reaction Sn(IV) → Sn(II) of an organic tin-containing complex. The concentration of the reactant is 4.96 mM and the area of the working electrode is 0.0250 cm². Calculate the diffusion coefficient of the reactant for this two-electron reduction. Scan Rate (V/s) 0.0135 0.0279 0.0538 0.0951 0.149 0.201 0.274 Peak Cathodic Current (μA) 4.12 5.48 7.70 9.87 12.52 14.91 17.59

Fundamentals Of Analytical Chemistry

9th Edition

ISBN:9781285640686

Author:Skoog

Publisher:Skoog

Chapter22: Bulk Electrolysis: Electrogravimetry And Coulometry

Section: Chapter Questions

Problem 22.3QAP

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