When the Cu2+ concentration is 7.27x104 M, the observed cell potential at 298K for an electrochemical cell with the following reaction is 0.984V. What is the Cr3+ concentration? 3Cu2+(aq) + 2Cr(s) 3Cu(s) + 2Cr3+(aq) Answer: 10x10^6 M When the Hg2+ concentration is 6.15x10 M, the observed cell potential at 298K for an electrochemical cell with the following reaction is 1.499V. What is the Cr3+ concentration? 3Hg2+(aq) + 2Cr(s)—3Hg(1) + 2Cr3+(aq) Answer: I M
When the Cu2+ concentration is 7.27x104 M, the observed cell potential at 298K for an electrochemical cell with the following reaction is 0.984V. What is the Cr3+ concentration? 3Cu2+(aq) + 2Cr(s) 3Cu(s) + 2Cr3+(aq) Answer: 10x10^6 M When the Hg2+ concentration is 6.15x10 M, the observed cell potential at 298K for an electrochemical cell with the following reaction is 1.499V. What is the Cr3+ concentration? 3Hg2+(aq) + 2Cr(s)—3Hg(1) + 2Cr3+(aq) Answer: I M
General Chemistry - Standalone book (MindTap Course List)
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Author:Steven D. Gammon, Ebbing, Darrell Ebbing, Steven D., Darrell; Gammon, Darrell Ebbing; Steven D. Gammon, Darrell D.; Gammon, Ebbing; Steven D. Gammon; Darrell
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Chapter19: Electrochemistry
Section: Chapter Questions
Problem 19.88QP: Calculate the cell potential of a cell operating with the following reaction at 25C, in which...
Question
Transcribed Image Text:When the Cu2+ concentration is 7.27x104 M, the observed cell potential at 298K for an electrochemical cell with the
following reaction is 0.984V. What is the Cr3+ concentration?
3Cu2+(aq) + 2Cr(s) 3Cu(s) + 2Cr3+(aq)
Answer: 10x10^6 M
Transcribed Image Text:When the Hg2+ concentration is 6.15x10 M, the observed cell potential at 298K for an electrochemical cell with the
following reaction is 1.499V. What is the Cr3+ concentration?
3Hg2+(aq) + 2Cr(s)—3Hg(1) + 2Cr3+(aq)
Answer: I
M
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