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The standard reduction potential (E°) for the conversion of Cr,0 to Cr* at 25°C in an aqueous solution of pH 3.0 is 1.33 V. The concentrations of Cr,0 and Cr3+ are 1.0 x 10-4 M and 1.0 x 10-3 M, respectively. Then the potential of this half-cell reaction is (Given: Faraday constant = 96500 C mol, Gas constant R = 8.314 JK-1 mol-1) a. 1.04 V b. 0.94 V C. 0.84 V d. 0.74 V

The standard reduction potential (E°) for the conversion of Cr,0 to Cr* at 25°C in an aqueous solution of pH 3.0 is 1.33 V. The concentrations of Cr,0 and Cr3+ are 1.0 x 10-4 M and 1.0 x 10-3 M, respectively. Then the potential of this half-cell reaction is (Given: Faraday constant = 96500 C mol, Gas constant R = 8.314 JK-1 mol-1) a. 1.04 V b. 0.94 V C. 0.84 V d. 0.74 V

Fundamentals Of Analytical Chemistry
Fundamentals Of Analytical Chemistry
9th Edition
ISBN:9781285640686
Author:Skoog
Publisher:Skoog
Chapter21: Potentiometry
Section: Chapter Questions
Problem 21.26QAP
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(Given: Gas constant R = 8.314 JK-1 mol-1) 0-4 The standard reduction potential (E°) for the conversion of Cr,0 to Cr** at 25°C in an aqueous solution of pH 3.0 is 1.33 V. The concentrations of Cr,0 and Cr3+ are 1.0 x 10-4 M and 1.0 x 10-3 M, respectively. Then the potential 22. a. Zero cnon c. First of this half-cell reaction is Which one of the 28. (Given: Faraday constant = 96500 C mol, Gas constant R = 8.314 JK- mol-) a. Вoat a. 1.04 V b. 0.94 V C. Chair 8 C. 0.84 V d. 0.74 V 23. The solubility product (K) of Mg(OH), at 25°C is 5.6 x 10-11. Its solubility in 29. Which one of the water is SY 10-2 a(l whoro tho unlun of C in
Transcribed Image Text:(Given: Gas constant R = 8.314 JK-1 mol-1) 0-4 The standard reduction potential (E°) for the conversion of Cr,0 to Cr** at 25°C in an aqueous solution of pH 3.0 is 1.33 V. The concentrations of Cr,0 and Cr3+ are 1.0 x 10-4 M and 1.0 x 10-3 M, respectively. Then the potential 22. a. Zero cnon c. First of this half-cell reaction is Which one of the 28. (Given: Faraday constant = 96500 C mol, Gas constant R = 8.314 JK- mol-) a. Вoat a. 1.04 V b. 0.94 V C. Chair 8 C. 0.84 V d. 0.74 V 23. The solubility product (K) of Mg(OH), at 25°C is 5.6 x 10-11. Its solubility in 29. Which one of the water is SY 10-2 a(l whoro tho unlun of C in
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