P 1.2-6 An electroplating bath, as shown in Figure P 1.2-6, is used to plate silver uniformly onto objects such as kitchen ware and plates. A current of 450 A flows for 20 minutes, and each coulomb transports 1.118 mg of silver. What is the weight of silver deposited in grams?

 

c01f018

Figure P 1.2 – 6

 

Mass per unit charge for silver is given by

Charge is found from

 

 

 

 

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This page last updated on December 21, 2018