3. Molten magnesium chloride is electrolyzed in a cell that operates at 4.5V and 150000A. (a) How many kilograms of magnesium are produced in an 8.0-hr shift? (b) What other product is also formed and on which electrode? (c) How much of this product is formed?

3. Molten magnesium chloride is electrolyzed in a cell that operates at 4.5V and 150000A. (a) How many kilograms of magnesium are produced in an 8.0-hr shift? (b) What other product is also formed and on which electrode? (c) How much of this product is formed?

Chemistry

9th Edition

ISBN:9781133611097

Author:Steven S. Zumdahl

Publisher:Steven S. Zumdahl

Chapter18: Electrochemistry

Section: Chapter Questions

Problem 99E: What volume of F2 gas, at 25C and 1.00 atm, is produced when molten KF is electrolyzed by a current...

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Pls answer (b)

3. Molten magnesium chloride is electrolyzed in a cell that operates at 4.5V and 150000A.
(a) How many kilograms of magnesium are produced in an 8.0-hr shift?
(b) What other product is also formed and on which electrode?
(c) How much of this product is formed?

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An aqueous solution of an unknown salt of vanadium is electrolyzed by a current of 2.50 amps for 1.90 hours. The electroplating is carried out with an efficiency of 95.0%, resulting in a deposit of 2.850 g of vanadium. a How many faradays are required to deposit the vanadium? b What is the charge on the vanadium ions (based on your calculations)?
Consider a galvanic cell for which the anode reaction is 3 Pb(s)Pb2+(1.0102M)+2e and the cathode reaction is VO2+(0.10M)+2H3O+(0.10M)+eV3+(1.0105M)+3H2O(l) The measured cell potential is 0.640 V. Calculate E for the VO2+V3+ half-reaction, usingE(Pb2+Pb) from Appendix E. Calculate the equilibrium constant (K) at 25°C for thereaction Pb(s)+2VO2+(aq)+4H3O+(aq)Pb2+(aq)+2V3+(aq)+6H2O(l)
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