A metallurgist wants to gold-plate a thin sheet with the following dimensions: 1.5 in 8.5 in
Question:
A metallurgist wants to gold-plate a thin sheet with the following dimensions: 1.5 in × 8.5 in × 0.0012 in. The gold plating must be 0.0020 in thick.
(a) How many grams of gold (d = 19.3 g/cm3) are required?
(b) How long will it take to plate the sheet from AuCN using a current of 7.00 A? (Assume 100% efficiency.)
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a Calculating the volume of gold needed First determine the surface area of the sheet Surface area 2...View the full answer
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Related Book For
Chemistry For Engineering Students
ISBN: 9780357026991
4th Edition
Authors: Lawrence S. Brown, Tom Holme
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