Multiple Choice
In an electroplating process,it is desired to deposit 40 mg of silver on a metal part by using a current of 2.0 A.How long must the current be allowed to run to deposit this much silver? The silver ions are singly charged,and the atomic mass of silver is 108 g/mol.(e = 1.60 × 10-19 C,NA = 6.02 × 1023 atoms/mol)
A) 16 s
B) 18 s
C) 20 s
D) 22 s
Correct Answer:

Verified
Correct Answer:
Verified
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