Multiple Choice
A jeweler needs to electroplate gold (atomic mass 196.97 u) onto a bracelet.He knows that the charge carriers in the ionic solution are gold ions,and has calculated that he must deposit 0.20 g of gold to reach the necessary thickness.How much current does he need to plate the bracelet in 3.0 hours? (Avogadro's number is 6.02 × 1023. )
A) 9.1 mA
B) 540 mA
C) 33 A
D) 1800 mA
Correct Answer:

Verified
Correct Answer:
Verified
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