In an Electroplating Process,it Is Desired to Deposit 40 Mg

question 219

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,N_A = 6.02 × 10²³ atoms/mol)

• A)16 s
• B)18 s
• C)20 s
• D)22 s

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