The following reaction occurs in an electrochemical cell: 3 HCIO,(aq) + 2 Cr³* (aq) + 12 H2O(e) → 3 HCIO(aq) + Cr,O? (aq) + 8 H;O* (aq) (a) Calculate AE° for this cell. (b) At pH 0, with [Cr,O;¯] = 0.80 M [HCIO,] = 0.15 M, and [HCIO] = 0.20 M, the cell potential is found to be 0.15 V. Calculate the concentration of Cr³*(aq) in the cell. %3D

The following reaction occurs in an electrochemical cell: 3 HCIO,(aq) + 2 Cr³* (aq) + 12 H2O(e) → 3 HCIO(aq) + Cr,O? (aq) + 8 H;O* (aq) (a) Calculate AE° for this cell. (b) At pH 0, with [Cr,O;¯] = 0.80 M [HCIO,] = 0.15 M, and [HCIO] = 0.20 M, the cell potential is found to be 0.15 V. Calculate the concentration of Cr³*(aq) in the cell. %3D

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

The following reaction occurs in an electrochemical cell:
3 HCIO,(aq) + 2 Cr³* (aq) + 12 H2O(e) →
3 HCIO(aq) + Cr,O? (aq) + 8 H;O* (aq)
(a) Calculate AE° for this cell.
(b) At pH 0, with [Cr,O;¯] = 0.80 M [HCIO,] = 0.15 M,
and [HCIO] = 0.20 M, the cell potential is found to be
0.15 V. Calculate the concentration of Cr³*(aq) in the
cell.
%3D

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