A Zn wire and Ag/AgCl reference electrode saturated with KCI (E = 0.197 V) are placed into a solution of ZnSO, - The Zn wire is attached to the positive terminal and the Ag/AgCl electrode is attached to the negative terminal of the potentiometer. Calculate the [Zn?*] in the solution if the cell potential, Ecel , is – 1.093 V. The standard reduction potential of the Zn+rZn half-reaction is -0.762 V.

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Chapter18: Electrochemistry
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Problem 115AE: The saturated calomel electrode. abbreviated SCE. is often used as a reference electrode in making...
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A Zn wire and Ag/AGCI reference electrode saturated with KCI (E = 0.197 V) are placed into a solution of ZnSO, . The Zn wire
is attached to the positive terminal and the Ag/AgCl electrode is attached to the negative terminal of the potentiometer. Calculate
the [Zn*] in the solution if the cell potential, Ecel is –1.093 V. The standard reduction potential of the Zn²+/Zn half-reaction
is –0.762 V.
[Zn²*] =
Transcribed Image Text:A Zn wire and Ag/AGCI reference electrode saturated with KCI (E = 0.197 V) are placed into a solution of ZnSO, . The Zn wire is attached to the positive terminal and the Ag/AgCl electrode is attached to the negative terminal of the potentiometer. Calculate the [Zn*] in the solution if the cell potential, Ecel is –1.093 V. The standard reduction potential of the Zn²+/Zn half-reaction is –0.762 V. [Zn²*] =
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