A concentration cell was prepared at 25 °C; one cell compartment contained Pb(C2H3O2)2(aq) and was connected by a salt bridge to a compartment containing Pb¹2(aq) in saturated 0.050 M Na2SO4(aq). The measured voltage is 0.205 V. a. Write the Ksp expression for PbSO4. b. Use the Nerst Equation to solve the value of Q in the concentration cell. c. From the value of Q and the known [Pb+2]high, solve the diluted equilibrium [Pb*2]ow. Note: [Pb+2]ow is the equilibrium concentration. d. Using the value of diluted [Pb+2Jeq and the saturated [SO42] determine Ksp.

A concentration cell was prepared at 25 °C; one cell compartment contained Pb(C2H3O2)2(aq) and was connected by a salt bridge to a compartment containing Pb¹2(aq) in saturated 0.050 M Na2SO4(aq). The measured voltage is 0.205 V. a. Write the Ksp expression for PbSO4. b. Use the Nerst Equation to solve the value of Q in the concentration cell. c. From the value of Q and the known [Pb+2]high, solve the diluted equilibrium [Pb*2]ow. Note: [Pb+2]ow is the equilibrium concentration. d. Using the value of diluted [Pb+2Jeq and the saturated [SO42] determine Ksp.

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

Section: Chapter Questions

Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...

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Question

2. A concentration cell was prepared at 25 °C; one cell compartment contained 0.070 M
Pb(C2H3O2)2(aq) and was connected by a salt bridge to a compartment containing Pb¹2(aq)
in saturated 0.050 M Na2SO4(aq). The measured voltage is 0.205 V.
a. Write the Ksp expression for PbSO4.
b. Use the Nerst Equation to solve the value of Q in the concentration cell.
c. From the value of Q and the known [Pb+2]high, solve the diluted equilibrium [Pb+2]low.
Note: [Pb+2]low is the equilibrium concentration.
d. Using the value of diluted [Pb+2]eq and the saturated [SO42] determine Ksp.

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