ii) How many amperes of current needs to be passed through molten Sodium chloride (NaCl) to produce 2.5 g of Sodium (Na) metal at the cathode in 20 minutes during electrolysis of molten Sodium chloride? iii) Calculate the charge in coulomb passed through the solution in part (ii). iv) Calculate the charge in Faraday passed through the solution in part (ii).

Chemistry: The Molecular Science
5th Edition
ISBN:9781285199047
Author:John W. Moore, Conrad L. Stanitski
Publisher:John W. Moore, Conrad L. Stanitski
Chapter17: Electrochemistry And Its Applications
Section: Chapter Questions
Problem 84QRT
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i) Consider an electrochemical cell
involving Zinc and Chromium.
Zn2+,
(aq)
+ 2e- - Zn(s) E° = -0.76 V
Cr3+,
(aq)
+ 3e-
Crs) E° = -0.74 V
ii) How many amperes of current needs to
be passed through molten Sodium chloride
(NaCl) to produce 2.5 g of Sodium (Na)
metal at the cathode in 20 minutes during
electrolysis of molten Sodium chloride?
iii) Calculate the charge in coulomb passed
through the solution in part (ii).
iv) Calculate the charge in Faraday passed
through the solution in part (ii).
Transcribed Image Text:i) Consider an electrochemical cell involving Zinc and Chromium. Zn2+, (aq) + 2e- - Zn(s) E° = -0.76 V Cr3+, (aq) + 3e- Crs) E° = -0.74 V ii) How many amperes of current needs to be passed through molten Sodium chloride (NaCl) to produce 2.5 g of Sodium (Na) metal at the cathode in 20 minutes during electrolysis of molten Sodium chloride? iii) Calculate the charge in coulomb passed through the solution in part (ii). iv) Calculate the charge in Faraday passed through the solution in part (ii).
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