8. An engineer is designing a mirror for an optical system. A piece of metal that measures 1.3 cm by 0.83 cm will have a coating of rhodium plated on its surface to serve as the mirror. The rhodium thickness will be 0.00030 mm, and the electrolyte contains Rh3+ ions. If the operating current of the electrolysis is 1.3 A, how long must it be operated to obtain the desired coating? The density of rhodium is 12.4 g cm3. What mass of rhodium is deposited?
8. An engineer is designing a mirror for an optical system. A piece of metal that measures 1.3 cm by 0.83 cm will have a coating of rhodium plated on its surface to serve as the mirror. The rhodium thickness will be 0.00030 mm, and the electrolyte contains Rh3+ ions. If the operating current of the electrolysis is 1.3 A, how long must it be operated to obtain the desired coating? The density of rhodium is 12.4 g cm3. What mass of rhodium is deposited?
Chemistry for Engineering Students
4th Edition
ISBN:9781337398909
Author:Lawrence S. Brown, Tom Holme
Publisher:Lawrence S. Brown, Tom Holme
Chapter13: Electrochemistry
Section: Chapter Questions
Problem 13.79PAE: An engineer is designing a mirror for an optical system. A piece of metal that measures 1.3 cm by...
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