Calculate the pH of the cathode compartment for the following reaction given Ecell = 3.01 V when Cr*+ 3 0.17 м, АР" - = 0.28 M, and (,0,+] = 0.54 M. 2Al(s) + Cr2O,2 (ag) + 14H* (ag) → 2A1š+ (ag) + 2Cr*+ (ag) + 7H2O(1) You may need to use the following data: Cr20,2- + 14H+ + 6e → 2Cr+ + 7H2O Al³+ + 3e- Al E° = 1.33 V E° = -1.66 V (Enter your answer to two significant figures.) pH =

Calculate the pH of the cathode compartment for the following reaction given Ecell = 3.01 V when Cr+ 3 0.17 м, АР" - = 0.28 M, and (,0,+] = 0.54 M. 2Al(s) + Cr2O,2 (ag) + 14H (ag) → 2A1š+ (ag) + 2Cr*+ (ag) + 7H2O(1) You may need to use the following data: Cr20,2- + 14H+ + 6e → 2Cr+ + 7H2O Al³+ + 3e- Al E° = 1.33 V E° = -1.66 V (Enter your answer to two significant figures.) pH =

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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Calculate the pH of the cathode compartment for the following reaction given Ecell = 3.01 V when Cr*+
3 0.17 м, АР" -
= 0.28 M, and
(,0,+]
= 0.54 M.
2Al(s) + Cr2O,2 (ag) + 14H* (ag) → 2A1š+ (ag) + 2Cr*+ (ag) + 7H2O(1)
You may need to use the following data:
Cr20,2- + 14H+ + 6e → 2Cr+ + 7H2O
Al³+ + 3e- Al
E° = 1.33 V
E° = -1.66 V
(Enter your answer to two significant figures.)
pH =

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