When thePb²+ concentration is 1.02 M, the observed cell potential at 298 K for ancell with the following reaction is 0.736 V. What is theelectrochemicalZn²+ concentration?Pb²+ (aq) + Zn(s) → Pb(s) + Zn²+ (aq)Pb²+ (aq) + 2e →→ Pb(s) EedZn²+ (aq) + 2eAnswer:M= -0.126 V→ Zn(s) Ered -0.763 VWhen the Pb2+ concentration is 7.36x10-4 M, the observed cell potential at 298K foran electrochemical cell with the following reaction is 0.519V. What is the Cr³+concentration?M=3Pb²+ (aq) + 2Cr(s)-3Pb(s) + 2Cr³+ (aq)

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When the Pb²+ concentration is 1.02 M, the observed cell potential at 298 K for an cell with the following reaction is 0.736 V. What is the electrochemical Zn²+ concentration? Pb²+ (aq) + Zn(s) → Pb(s) + Zn²+ (aq) Pb2+ (aq) + 2e → Pb(s) Eed -0.126 V Zn²+ (aq) + 2e → Zn(s) Ee -0.763 V red Answer: M When the Pb2+ concentration is 7.36x10-4 M, the observed cell potential at 298K for an electrochemical cell with the following reaction is 0.519V. What is the Cr³+ concentration? = 3Pb²+ (aq) + 2Cr(s) 3Pb(s) + 2Cr³+ (aq) M

When the Pb²+ concentration is 1.02 M, the observed cell potential at 298 K for an cell with the following reaction is 0.736 V. What is the electrochemical Zn²+ concentration? Pb²+ (aq) + Zn(s) → Pb(s) + Zn²+ (aq) Pb2+ (aq) + 2e → Pb(s) Eed -0.126 V Zn²+ (aq) + 2e → Zn(s) Ee -0.763 V red Answer: M When the Pb2+ concentration is 7.36x10-4 M, the observed cell potential at 298K for an electrochemical cell with the following reaction is 0.519V. What is the Cr³+ concentration? = 3Pb²+ (aq) + 2Cr(s) 3Pb(s) + 2Cr³+ (aq) M

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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