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The cell SCE// Ag,CrO4 (sat’d), CrO, 2- (xM) /Ag is employed for the determination of pCrO4-. ESCE = 0.244 V at 25 0C The half reaction at indicator electrode Ag, CrO4 (s) + 2e- 2 Ag (s) + CrO,²- E°= +0.446 V a) Calculate pCrO, when the cell potential is 0.402 V b) What type of indicator electrode is Ag in this case?

The cell SCE// Ag,CrO4 (sat’d), CrO, 2- (xM) /Ag is employed for the determination of pCrO4-. ESCE = 0.244 V at 25 0C The half reaction at indicator electrode Ag, CrO4 (s) + 2e- 2 Ag (s) + CrO,²- E°= +0.446 V a) Calculate pCrO, when the cell potential is 0.402 V b) What type of indicator electrode is Ag in this case?

Chemistry
Chemistry
10th Edition
ISBN:9781305957404
Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Chapter1: Chemical Foundations
Section: Chapter Questions
Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...
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The cell SCE// Ag,CrO4 (sat’d), CrO, 2- (xM) /Ag is employed for the determination of pCrO4-. ESCE = 0.244 V at 25 0C The half reaction at indicator electrode Ag, CrO4 (s) + 2e- - 2 Ag (s) + CrO,²- E°= +0.446 V a) Calculate pCrO4 when the cell potential is 0.402 V b) What type of indicator electrode is Ag in this case?
Transcribed Image Text:The cell SCE// Ag,CrO4 (sat’d), CrO, 2- (xM) /Ag is employed for the determination of pCrO4-. ESCE = 0.244 V at 25 0C The half reaction at indicator electrode Ag, CrO4 (s) + 2e- - 2 Ag (s) + CrO,²- E°= +0.446 V a) Calculate pCrO4 when the cell potential is 0.402 V b) What type of indicator electrode is Ag in this case?
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