A metal object is to be gold-plated by an electrolytic procedure using aqueous Au(CN) 4, a gold(III) complex ion, as the electrolyte. Calculate the number of grams of gold deposited in 3.00 minutes by a constant current of 10.0 amperes. (Au: 196.97 g/mol)
A) 0.00689 gram
B) 1.22 gram
C) 1.32 gram
D) 1.77 gram
E) 3.55 gram
Correct Answer:
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