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In another experiment, Fiscl

In another experiment, Fiscl

Chemical Principles in the Laboratory
Chemical Principles in the Laboratory
11th Edition
ISBN:9781305264434
Author:Emil Slowinski, Wayne C. Wolsey, Robert Rossi
Publisher:Emil Slowinski, Wayne C. Wolsey, Robert Rossi
Chapter32: Voltaic Cell Measurements
Section: Chapter Questions
Problem 2ASA
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2. In another experiment, Fischl used cadmium metal to form an electrode she can use for her voitaic cell. She wanted to determine the electric potential produced by the cadmium electrode (and 1.0 M of its corresponding electrolyte solution) with a Copper electrode in 0.10 CuSO4 solution at 25 °C. Predict the following: a. OHR of the voltaic cell: b. RHR of the voltaic cell: c. Number Cu^2+(ag) + 2e- → Cu(s), Eo = + 0.34 V d. Overall r Cd^2+(aq)+ 2e- → Cd(s), Eo = - 0.40 V e. Standar Cu(s) → Cu^2+(aq)+ 2e-, Eo = - 0.34 V f. Theoretic Cd(s) → Cd^2+(aq)+ 2e-, Eo = + 0.40 V % g. If the measured Ecell was 0.50 V, calculate the percent error. h. Oz suggested that they increase the concentration of CuSO, solution used. What will be the effect on the measured potential?
Transcribed Image Text:2. In another experiment, Fischl used cadmium metal to form an electrode she can use for her voitaic cell. She wanted to determine the electric potential produced by the cadmium electrode (and 1.0 M of its corresponding electrolyte solution) with a Copper electrode in 0.10 CuSO4 solution at 25 °C. Predict the following: a. OHR of the voltaic cell: b. RHR of the voltaic cell: c. Number Cu^2+(ag) + 2e- → Cu(s), Eo = + 0.34 V d. Overall r Cd^2+(aq)+ 2e- → Cd(s), Eo = - 0.40 V e. Standar Cu(s) → Cu^2+(aq)+ 2e-, Eo = - 0.34 V f. Theoretic Cd(s) → Cd^2+(aq)+ 2e-, Eo = + 0.40 V % g. If the measured Ecell was 0.50 V, calculate the percent error. h. Oz suggested that they increase the concentration of CuSO, solution used. What will be the effect on the measured potential?
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