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A galvanic cell is constructed in which the overall reactionis 2- Cr2 0; (aq) + 14 H2O† (aq) + 6 I (aq) → 2 Cr³+ (aq) + 3 I2 (s) + 21 H2O (E) a. Calculate AE° for this cell. b. At pH 0, with Cr2O-| = 1.5 M and |I- = 0.40 M, the cell potential is found to equal 0.87 V. Calculatethe concentration of Cr³+ (aq) in the cell.

A galvanic cell is constructed in which the overall reactionis 2- Cr2 0; (aq) + 14 H2O† (aq) + 6 I (aq) → 2 Cr³+ (aq) + 3 I2 (s) + 21 H2O (E) a. Calculate AE° for this cell. b. At pH 0, with Cr2O-| = 1.5 M and |I- = 0.40 M, the cell potential is found to equal 0.87 V. Calculatethe concentration of Cr³+ (aq) in the cell.

Chemistry
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
Chapter18: Electrochemistry
Section: Chapter Questions
Problem 120AE
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A galvanic cell is constructed in which the overall reactionis Cr2 0 (aq) + 14 H2O* (aq) + 6 I- (aq) → 2 Cr³+ (aq) + 3 I2 (s) + 21 H2O (€) a. Calculate AE° for this cell. b. At pH 0, with [Cr2O;-] = 1.5 M and [I-] = 0.40 M, the cell potential is found to equal 0.87 V. Calculatethe concentration of Cr³+ (aq) in the cell.
Transcribed Image Text:A galvanic cell is constructed in which the overall reactionis Cr2 0 (aq) + 14 H2O* (aq) + 6 I- (aq) → 2 Cr³+ (aq) + 3 I2 (s) + 21 H2O (€) a. Calculate AE° for this cell. b. At pH 0, with [Cr2O;-] = 1.5 M and [I-] = 0.40 M, the cell potential is found to equal 0.87 V. Calculatethe concentration of Cr³+ (aq) in the cell.
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