1.Chrome is plated from solutions of chromium (III) ions. If a particular application requires 13.7 g of Cr in the coating and the run takes 90 minutes, what current was used? 2.Tin-plated steel is used for tin cans. Supposed that in the production of sheets of tin-plated steel, a line at a factory operates at a current of 100.0 A for exactly 8 hours on continuously fed sheet of unplated steel. If the electrolyte contains tin (II) ions, what is the total mass of tin that has plated out in this operation?
1.Chrome is plated from solutions of chromium (III) ions. If a particular application requires 13.7 g of Cr in the coating and the run takes 90 minutes, what current was used? 2.Tin-plated steel is used for tin cans. Supposed that in the production of sheets of tin-plated steel, a line at a factory operates at a current of 100.0 A for exactly 8 hours on continuously fed sheet of unplated steel. If the electrolyte contains tin (II) ions, what is the total mass of tin that has plated out in this operation?
Chemistry: An Atoms First Approach
2nd Edition
ISBN:9781305079243
Author:Steven S. Zumdahl, Susan A. Zumdahl
Publisher:Steven S. Zumdahl, Susan A. Zumdahl
Chapter17: Electrochemistry
Section: Chapter Questions
Problem 159MP: A galvanic cell is based on the following half-reactions: In this cell, the copper compartment...
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1.Chrome is plated from solutions of chromium (III) ions. If a particular application requires 13.7 g of Cr in the coating and the run takes 90 minutes, what current was used?
2.Tin-plated steel is used for tin cans. Supposed that in the production of sheets of tin-plated steel, a line at a factory operates at a current of 100.0 A for exactly 8 hours on continuously fed sheet of unplated steel. If the electrolyte contains tin (II) ions, what is the total mass of tin that has plated out in this operation?
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