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When the Ag+ concentration is 1.21 M, the observed cell potential at 298K for an electrochemical cell with the following reaction is 1.608V. What is the Cr3+ concentration? 3Ag+(aq) + Cr(s)3Ag(s) + Cr3+(aq) Answer:  M Part B: When the Cu2+ concentration is 5.77×10-4 M, the observed cell potential at 298K for an electrochemical cell with the following reaction is 1.900V. What is the Al3+ concentration? 3Cu2+(aq) + 2Al(s)3Cu(s) + 2Al3+(aq) Answer:  M Part C: When the Cu2+ concentration is 9.31×10-4 M, the observed cell potential at 298K for an electrochemical cell with the following reaction is 1.006V. What is the Zn2+ concentration? Cu2+(aq) + Zn(s) Cu(s) + Zn2+(aq) Answer:  M

When the Ag+ concentration is 1.21 M, the observed cell potential at 298K for an electrochemical cell with the following reaction is 1.608V. What is the Cr3+ concentration? 3Ag+(aq) + Cr(s)3Ag(s) + Cr3+(aq) Answer:  M Part B: When the Cu2+ concentration is 5.77×10-4 M, the observed cell potential at 298K for an electrochemical cell with the following reaction is 1.900V. What is the Al3+ concentration? 3Cu2+(aq) + 2Al(s)3Cu(s) + 2Al3+(aq) Answer:  M Part C: When the Cu2+ concentration is 9.31×10-4 M, the observed cell potential at 298K for an electrochemical cell with the following reaction is 1.006V. What is the Zn2+ concentration? Cu2+(aq) + Zn(s) Cu(s) + Zn2+(aq) Answer:  M

Principles of Instrumental Analysis
Principles of Instrumental Analysis
7th Edition
ISBN:9781305577213
Author:Douglas A. Skoog, F. James Holler, Stanley R. Crouch
Publisher:Douglas A. Skoog, F. James Holler, Stanley R. Crouch
Chapter22: An Introduction To Electroanalytical Chemistry
Section: Chapter Questions
Problem 22.7QAP: Calculate the theoretical potential of each of the following cells. Is the cell reaction spontaneous...
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When the Ag+ concentration is 1.21 M, the observed cell potential at 298K for an electrochemical cell with the following reaction is 1.608V. What is the Cr3+ concentration?

3Ag+(aq) + Cr(s)3Ag(s) + Cr3+(aq)

Answer:  M

Part B:

When the Cu2+ concentration is 5.77×10-4 M, the observed cell potential at 298K for an electrochemical cell with the following reaction is 1.900V. What is the Al3+ concentration?

3Cu2+(aq) + 2Al(s)3Cu(s) + 2Al3+(aq)

Answer:  M

Part C:

When the Cu2+ concentration is 9.31×10-4 M, the observed cell potential at 298K for an electrochemical cell with the following reaction is 1.006V. What is the Zn2+ concentration?

Cu2+(aq) + Zn(s) Cu(s) + Zn2+(aq)

Answer:  M

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