A copper concentration cell is set up using a half-cell containing 1.0 M CuSO4 and another half-cell containing an equilibrium mixture of Cu2(aq), Cu(NH3)4 2+(aq), and NH3(aq), in which the concentrations of Cu(NH3)4 2+ and NH3 are 0.010 M and 3.0 M, respectively. (a) If Kf for the formation of Cu(NH3)4 2+ given in equation (eq.8) is 5.6 x 10^11, what is the equilibrium concentration of Cu2+(aq)? (b) What is the expected Ecell for this voltaic cell set up?
A copper concentration cell is set up using a half-cell containing 1.0 M CuSO4 and another half-cell containing an equilibrium mixture of Cu2(aq), Cu(NH3)4 2+(aq), and NH3(aq), in which the concentrations of Cu(NH3)4 2+ and NH3 are 0.010 M and 3.0 M, respectively. (a) If Kf for the formation of Cu(NH3)4 2+ given in equation (eq.8) is 5.6 x 10^11, what is the equilibrium concentration of Cu2+(aq)? (b) What is the expected Ecell for this voltaic cell set up?
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 107QRT
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A copper concentration cell is set up using a half-cell containing 1.0 M CuSO4 and another half-cell containing an equilibrium mixture of Cu2(aq), Cu(NH3)4 2+(aq), and NH3(aq), in which the concentrations of Cu(NH3)4 2+ and NH3 are 0.010 M and 3.0 M, respectively.
(a) If Kf for the formation of Cu(NH3)4 2+ given in equation (eq.8) is 5.6 x 10^11, what is the equilibrium concentration of Cu2+(aq)?
(b) What is the expected Ecell for this voltaic cell set up?
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