An electrochemical cell consists of a standard hydrogen electrode and a copper metal electrode. a. What is
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An electrochemical cell consists of a standard hydrogen electrode and a copper metal electrode.
a. What is the potential of the cell at 25oC if the copper electrode is placed in a solution in which [Cu2+] = 2.5 × 1024 M?
b. If the copper electrode is placed in a solution of 0.10 M NaOH that is saturated with Cu(OH) 2, what is the cell potential at 25oC? For Cu(OH)2, Ksp = 1.6 × 10–19.
c. The copper electrode is placed in a solution of unknown [Cu2+]. The measured potential at 25oC is 0.195 V. What is [Cu2+]? (Assume that Cu2+ is reduced.)
d. If you wish to construct a calibration curve to show how the cell potential varies with [Cu2+], what should you plot to obtain a straight line? What will the slope of this line be?
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Cu 2 aq H 2 g 2 H aq Cus 034 V 000V 034 ...View the full answer
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