(a) How many coulombs are required to plate a layer of chromium metal 0.25 mm thick on...

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(a) How many coulombs are required to plate a layer of chromium metal 0.25 mm thick on an auto bumper with a total area of 0.32 m2 from a solution containing CrO42-? The density of chromium metal is 7.20 g/cm3.
(b) What current flow is required for this electroplating if the bumper is to be plated in 10.0 s?
(c) If the external source has an emf of + 6.0 V and the electrolytic cell is 65% efficient, how much electrical power is expended to electroplate the bumper?
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Chemistry The Central Science

ISBN: 978-0321696724

12th edition

Authors: Theodore Brown, Eugene LeMay, Bruce Bursten, Catherine Murphy, Patrick Woodward

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