Answered: The cell SCE//Ag2CrO4(sat’d), CrO4-2…

The cell SCE//Ag2CrO4(sat’d), CrO4-2 (x M)/Ag is used for the determination of pCrO4. The half reaction at indicator electrode

Fundamentals Of Analytical Chemistry

9th Edition

ISBN:9781285640686

Author:Skoog

Publisher:Skoog

Chapter21: Potentiometry

Section: Chapter Questions

Problem 21.23QAP

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Question

The cell

SCE//Ag2CrO4(sat’d), CrO4-2 (x M)/Ag

is used for the determination of pCrO4.

The half reaction at indicator electrode

Ag2CrO4 (s) + 2 e- -> 2 Ag(s) + CrO4 -2(aq) E=0.446

Calculate pCrO4 when the cell potential is 0.402 V. Show your calculations by uploading your solutions.

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