Current is passed through a cell where the half-reaction that occurs at the cathode is 5e + MnO4 + 8H* - Mn2+ + 4H20 All the MnO 4 ions present in 25.0 mL of solution have been reduced after a current of 0.600 ampere has passed for 844 seconds. What was the original concentration of MnO 4 ions? O a. 1.02 x 10-1 M O b.0.21 M О с. 1.47 М O d.7.10 x 10-3 M О е. 420х 10-2 м

Current is passed through a cell where the half-reaction that occurs at the cathode is 5e + MnO4 + 8H* - Mn2+ + 4H20 All the MnO 4 ions present in 25.0 mL of solution have been reduced after a current of 0.600 ampere has passed for 844 seconds. What was the original concentration of MnO 4 ions? O a. 1.02 x 10-1 M O b.0.21 M О с. 1.47 М O d.7.10 x 10-3 M О е. 420х 10-2 м

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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