The two solutions are contained (no dilution) in a single beaker with a saturated calomel electrode and an inert electrode (e.g., Pt) immersed in the solution. Relevant information:

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Chapter1: Chemical Foundations
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The two solutions are contained (no dilution) in a single beaker with a saturated calomel electrode and an inert
electrode (e.g., Pt) immersed in the solution.
Relevant information:
Cr,O;²-/Cr*:
Fe /Fe":
E° = +1.33 V
E° = +0.77 V
Erer = +0.244 V
For SCE:
Cr,O, + 6FE²* +14H
2Cr* + 6Fe + 7H,O
Digital meter
84 2 mV
Reference
electrode
Metallie
indicator
electrode, E
Salt bridge.
Analyte solution
Porous
embrane
The reaction quickly reaches equilibrium. What is the potential of this cell?
Transcribed Image Text:The two solutions are contained (no dilution) in a single beaker with a saturated calomel electrode and an inert electrode (e.g., Pt) immersed in the solution. Relevant information: Cr,O;²-/Cr*: Fe /Fe": E° = +1.33 V E° = +0.77 V Erer = +0.244 V For SCE: Cr,O, + 6FE²* +14H 2Cr* + 6Fe + 7H,O Digital meter 84 2 mV Reference electrode Metallie indicator electrode, E Salt bridge. Analyte solution Porous embrane The reaction quickly reaches equilibrium. What is the potential of this cell?
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