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a) Calculate the standard potential for the reaction CuBr(s) + e + Cu(s) + Br2 = 0.521 V For CuBr, Ksp - 5.2 x 10.⁹ b) Give a schematic representation of a cell with a copper indicator electrode and a reference SCE that could be used for the determination of Br". c) Derive an equation that relates the measured potential of the cell in (b) to pBr (assume that the junction potential is zero).

a) Calculate the standard potential for the reaction CuBr(s) + e + Cu(s) + Br2 = 0.521 V For CuBr, Ksp - 5.2 x 10.⁹ b) Give a schematic representation of a cell with a copper indicator electrode and a reference SCE that could be used for the determination of Br". c) Derive an equation that relates the measured potential of the cell in (b) to pBr (assume that the junction potential is zero).

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Chemistry
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ISBN:9781305957404
Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
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Appears on Principles of Instrumental Analysis by Skoog

a) Calculate the standard potential for the reaction CuBr(s) + e + Cu(s) + Br2 Box=0.521 V For CuBr, Ksp - 5.2 x 10⁹ b) Give a schematic representation of a cell with a copper indicator electrode and a reference SCE that could be used for the determination of Br". c) Derive an equation that relates the measured potential of the cell in (b) to pBr (assume that the junction potential is zero). d) Calculate the pBr of a bromide-containing solution that is saturated with CuBr and contained in the cell described in b) if the resulting potential is +0.078 V.
Transcribed Image Text:a) Calculate the standard potential for the reaction CuBr(s) + e + Cu(s) + Br2 Box=0.521 V For CuBr, Ksp - 5.2 x 10⁹ b) Give a schematic representation of a cell with a copper indicator electrode and a reference SCE that could be used for the determination of Br". c) Derive an equation that relates the measured potential of the cell in (b) to pBr (assume that the junction potential is zero). d) Calculate the pBr of a bromide-containing solution that is saturated with CuBr and contained in the cell described in b) if the resulting potential is +0.078 V.
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