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Calculate the cell potential of a cell operating with the following reaction at 25°C in which [Cr20,2] = 0.040 M, I]= 0.025 M, [c*+] = 0.10 M, and [H*] = 0.45 M. Cr20,2 (aq) + 6I (aq) + 14H* (aq) → 2Cr³* (aq) + 3I2(s) + 7H2O(1) Standard Electrode (Reduction) Potentials in Aqueous Solution at 25°C Cathode (Reduction) Half-Reaction Standard Potential, E° (V) I2 (s) + 2e¯= 21¯(aq) 0.54 Cr20,2 (aq) + 14H† (aq) + 6e¯ = 2Cr** (aq) + 7H2O(1) 1.33 Cell potential V

Calculate the cell potential of a cell operating with the following reaction at 25°C in which [Cr20,2] = 0.040 M, I]= 0.025 M, [c*+] = 0.10 M, and [H*] = 0.45 M. Cr20,2 (aq) + 6I (aq) + 14H* (aq) → 2Cr³* (aq) + 3I2(s) + 7H2O(1) Standard Electrode (Reduction) Potentials in Aqueous Solution at 25°C Cathode (Reduction) Half-Reaction Standard Potential, E° (V) I2 (s) + 2e¯= 21¯(aq) 0.54 Cr20,2 (aq) + 14H† (aq) + 6e¯ = 2Cr** (aq) + 7H2O(1) 1.33 Cell potential V

Chemistry: The Molecular Science
Chemistry: The Molecular Science
5th Edition
ISBN:9781285199047
Author:John W. Moore, Conrad L. Stanitski
Publisher:John W. Moore, Conrad L. Stanitski
Chapter17: Electrochemistry And Its Applications
Section: Chapter Questions
Problem 50QRT
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Calculate the cell potential of a cell operating with the following reaction at 25°C in which [Cr2O72] = 0.040 M , I] = 0.025 M, [Cr**] = 0.10 M, and [H*] = 0.45 M. %3D Cr2 O,2 (ag) + 6I (aq) + 14H+ (aq) → 2Cr³+ (aq) + 3I2 (s) + 7H2O(1) Standard Electrode (Reduction) Potentials in Aqueous Solution at 25°C Cathode (Reduction) Standard Half-Reaction Potential, E° (V) I2 (s) + 2e = 21 (aq) 0.54 Cr2 O,2 (aq) + 14H† (aq) + 6e¯ = 2Cr** (aq) + 7H2O(1) 1.33 Cell potential = V
Transcribed Image Text:Calculate the cell potential of a cell operating with the following reaction at 25°C in which [Cr2O72] = 0.040 M , I] = 0.025 M, [Cr**] = 0.10 M, and [H*] = 0.45 M. %3D Cr2 O,2 (ag) + 6I (aq) + 14H+ (aq) → 2Cr³+ (aq) + 3I2 (s) + 7H2O(1) Standard Electrode (Reduction) Potentials in Aqueous Solution at 25°C Cathode (Reduction) Standard Half-Reaction Potential, E° (V) I2 (s) + 2e = 21 (aq) 0.54 Cr2 O,2 (aq) + 14H† (aq) + 6e¯ = 2Cr** (aq) + 7H2O(1) 1.33 Cell potential = V
The voltaic cell Cd(s)|Cd²+ (aq) || Ni²+ (1.0 M)|Ni(s) has a cell potential of 0.320 V at 25°C. What is the concentration of cadmium ion? (E = 0.170 V.) 'cell Concentration = M Submit Answer Try Another Version 10 item attempts remaining
Transcribed Image Text:The voltaic cell Cd(s)|Cd²+ (aq) || Ni²+ (1.0 M)|Ni(s) has a cell potential of 0.320 V at 25°C. What is the concentration of cadmium ion? (E = 0.170 V.) 'cell Concentration = M Submit Answer Try Another Version 10 item attempts remaining
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