a) Calculate the standard potential for the reaction AgsAsO4+ 3e°2 3Ags) + AsO² b) Give a schematic representation of the cell with a silver indicator electrode as the cathode and a saturated calomel electrode as an anode that could be used for determining AsO 43 c. Derive an equation that relates the measured potential of the cell in (b) to PASO4 (assume that the junction potential is zero)

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Solve the following:
a) Calculate the standard potential for the reaction
Ag:AsOais+ 3e 2 3Agis) + AsO2
b) Give a schematic representation of the cell with a silver indicator electrode as the cathode and a saturated calomel electrode as an anode that could be used for determining AsO 43.
c. Derive an equation that relates the measured potential of the cell in (b) to pAsO4 (assume that the junction potential is zero)
d. Calculate the pAsO4 of a solution that is saturated with Ag3AsO4 and contained in the cell described in (b) if the resulting potential is 0.312V.
Transcribed Image Text:Solve the following: a) Calculate the standard potential for the reaction Ag:AsOais+ 3e 2 3Agis) + AsO2 b) Give a schematic representation of the cell with a silver indicator electrode as the cathode and a saturated calomel electrode as an anode that could be used for determining AsO 43. c. Derive an equation that relates the measured potential of the cell in (b) to pAsO4 (assume that the junction potential is zero) d. Calculate the pAsO4 of a solution that is saturated with Ag3AsO4 and contained in the cell described in (b) if the resulting potential is 0.312V.
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