A galvanic cell is constructed in which the overall reac- tion is Cr,O (aq) + 14 H,0 (aq) + 61 (aq) 2 Cr" (aq) +3 12(s) + 21 H;0(e) (a) Calculate AE" for this cell. (b) At pH 0, with [C,O] = 1.5 M and [I] = 0.40 M, the cell potential is found to equal 0.87 V. Calculate the concentration of Cr"(aq) in the cell.
A galvanic cell is constructed in which the overall reac- tion is Cr,O (aq) + 14 H,0 (aq) + 61 (aq) 2 Cr" (aq) +3 12(s) + 21 H;0(e) (a) Calculate AE" for this cell. (b) At pH 0, with [C,O] = 1.5 M and [I] = 0.40 M, the cell potential is found to equal 0.87 V. Calculate the concentration of Cr"(aq) in the cell.
Principles of Instrumental Analysis
7th Edition
ISBN:9781305577213
Author:Douglas A. Skoog, F. James Holler, Stanley R. Crouch
Publisher:Douglas A. Skoog, F. James Holler, Stanley R. Crouch
Chapter23: Potentiometry
Section: Chapter Questions
Problem 23.23QAP: The following cell was found to have a potential of —0.492 V: Ag|AgCl(sat’d)||HA(0.200 M),NaA(0.300...
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![34. A galvanic cell is constructed in which the overall reac-
tion is
Cr,O (aq) + 14 H0 (aq) + 61 (aq) –→
2 Cr" (aq) + 3 12(s) + 21 H,O(()
(a) Calculate AE for this cellI.
(b) At pH 0, with [Cr,O ] = 1.5 M and [I] = 0.40 M,
the cell potential is found to equal 0.87 V. Calculate
the concentration of Cr*(aq) in the cell.](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F5dfcff76-5646-42a0-b45c-1f5ea8195891%2Fdb8d1611-6cf5-45cc-98fe-c7d21f82ddfc%2F5k3bsb_processed.jpeg&w=3840&q=75)
Transcribed Image Text:34. A galvanic cell is constructed in which the overall reac-
tion is
Cr,O (aq) + 14 H0 (aq) + 61 (aq) –→
2 Cr" (aq) + 3 12(s) + 21 H,O(()
(a) Calculate AE for this cellI.
(b) At pH 0, with [Cr,O ] = 1.5 M and [I] = 0.40 M,
the cell potential is found to equal 0.87 V. Calculate
the concentration of Cr*(aq) in the cell.
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