Biomedical Instrumentation Systems
1st Edition
ISBN: 9781133478294
Author: Chatterjee
Publisher: Cengage
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You have a 2.50 cm diameter sphere that you would like to have plated with platinum metal. How long will it take to electroplate a 40.0 micron thick coating onto the sphere using Pt+2 and a current of 0.500 amps? The density of platinum is 21.45 g/cm3. 1 micron = 1.00×10–4 cm.[hint: Calculate the difference in volume of the coated and uncoated spheres and then use the density information to determine your answer.]Time Required = Answer minutes
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