An electrochemical cell consists of a standard hydrogen electrode and a copper metal electrode. (a) What is the potential of the cell at 25°C if the copper electrode is placed in a solution in which [Cu2+] = 3.0×10-4 M? 49 0.21 (b) If the copper electrode is placed in a solution of 0.43 M NaOH that is saturated with Cu(OH)2, what is the cell potential at 25°C? For Cu(OH)2, Ksn = 1.6x10-19. 4.0 (c) The copper electrode is placed in a solution of unknown [Cu2+ ]. The measured potential at 25°C is 0.210 V. What is [Cu2+ ]? (Assume Cu2+ is reduced.) 4.0 M.
An electrochemical cell consists of a standard hydrogen electrode and a copper metal electrode. (a) What is the potential of the cell at 25°C if the copper electrode is placed in a solution in which [Cu2+] = 3.0×10-4 M? 49 0.21 (b) If the copper electrode is placed in a solution of 0.43 M NaOH that is saturated with Cu(OH)2, what is the cell potential at 25°C? For Cu(OH)2, Ksn = 1.6x10-19. 4.0 (c) The copper electrode is placed in a solution of unknown [Cu2+ ]. The measured potential at 25°C is 0.210 V. What is [Cu2+ ]? (Assume Cu2+ is reduced.) 4.0 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
Chapter18: Electrochemistry
Section: Chapter Questions
Problem 120AE
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