A Zn wire and Ag/AgCl reference electrode saturated with KC1 (E = 0.197 V) are placed into a solution of ZnSO₂. The Zn wire is attached to the positive terminal and the Ag/AgCl electrode is attached to the negative terminal of the potentiometer. Calculate the [Zn²"] in the solution if the cell potential, Ecell is-1.091 V. The standard reduction potential of the Zn²+Zn half- reaction is -0.762 V. [Zn²+] = -2.5 x10-5 M

A Zn wire and Ag/AgCl reference electrode saturated with KC1 (E = 0.197 V) are placed into a solution of ZnSO₂. The Zn wire is attached to the positive terminal and the Ag/AgCl electrode is attached to the negative terminal of the potentiometer. Calculate the [Zn²"] in the solution if the cell potential, Ecell is-1.091 V. The standard reduction potential of the Zn²+Zn half- reaction is -0.762 V. [Zn²+] = -2.5 x10-5 M

Chemistry

9th Edition

ISBN:9781133611097

Author:Steven S. Zumdahl

Publisher:Steven S. Zumdahl

Chapter18: Electrochemistry

Section: Chapter Questions

Problem 115AE: The saturated calomel electrode. abbreviated SCE. is often used as a reference electrode in making...

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