Cobalt(II) ions (Co2*(aq)) react with 6 equivalents of a ligand (L) to from the complex cation CoLg2*(aq) with Kẹ = 2.43 x 105. To verify this, an electrochemical %3! concentration cell is constructed. To one half of the cell, the initial concentration of Co2*(aq) is 0.0100 M and the initial concentration of L is 1.00 M. This solution is allowed to reach thermodynamic equilibrium. A Co(s) electrode is added to this solution and it is connected with a wire to a voltmeter to the other half cell, which has a Co(s) electrode and [Co2*(aq)]=1.00M. A salt bridge connects the two half cells. Determine the Ecell (in V) immediately read when the electrodes are in their respective solution at 298 K. Note that the complex cation CoL62*(aq) is a spectator species in this electrochemical concentration cell, it does not participate in a redox reaction.
Cobalt(II) ions (Co2*(aq)) react with 6 equivalents of a ligand (L) to from the complex cation CoLg2*(aq) with Kẹ = 2.43 x 105. To verify this, an electrochemical %3! concentration cell is constructed. To one half of the cell, the initial concentration of Co2*(aq) is 0.0100 M and the initial concentration of L is 1.00 M. This solution is allowed to reach thermodynamic equilibrium. A Co(s) electrode is added to this solution and it is connected with a wire to a voltmeter to the other half cell, which has a Co(s) electrode and [Co2*(aq)]=1.00M. A salt bridge connects the two half cells. Determine the Ecell (in V) immediately read when the electrodes are in their respective solution at 298 K. Note that the complex cation CoL62*(aq) is a spectator species in this electrochemical concentration cell, it does not participate in a redox reaction.
Chemistry
10th Edition
ISBN:9781305957404
Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Chapter1: Chemical Foundations
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Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...
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![Question 31.
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Cobalt(II) ions (Co2*(aq)) react with 6 equivalents of a ligand (L) to from the complex
cation CoL62*(aq) with Kf = 2.43 x 105. To verify this, an electrochemical
!!
concentration cell is constructed. To one half of the cell, the initial concentration of
Co2+(aq) is 0.0100 M and the initial concentration of L is 1.00 M. This solution is
allowed to reach thermodynamic equilibrium. A Co(s) electrode is added to this
solution and it is connected with a wire to a voltmeter to the other half cell, which
has a Co(s) electrode and [Co2+(aq)]=1.00M. A salt bridge connects the two half
cells. Determine the Ecell (in V) immediately read when the electrodes are in their
respective solution at 298 K. Note that the complex cation Col62*(aq) is a spectator
species in this electrochemical concentration cell, it does not participate in a redox
reaction.
Your Answer:
Answer
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Transcribed Image Text:Question 31.
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Cobalt(II) ions (Co2*(aq)) react with 6 equivalents of a ligand (L) to from the complex
cation CoL62*(aq) with Kf = 2.43 x 105. To verify this, an electrochemical
!!
concentration cell is constructed. To one half of the cell, the initial concentration of
Co2+(aq) is 0.0100 M and the initial concentration of L is 1.00 M. This solution is
allowed to reach thermodynamic equilibrium. A Co(s) electrode is added to this
solution and it is connected with a wire to a voltmeter to the other half cell, which
has a Co(s) electrode and [Co2+(aq)]=1.00M. A salt bridge connects the two half
cells. Determine the Ecell (in V) immediately read when the electrodes are in their
respective solution at 298 K. Note that the complex cation Col62*(aq) is a spectator
species in this electrochemical concentration cell, it does not participate in a redox
reaction.
Your Answer:
Answer
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