A distant relative has left you a family heirloom; a decorative serving spoon. What luck! You decide to plate it with gold so that your descendants will be more excited about receiving this than you were. The surface area of this spoon is 161.9 cm2 and you would like the plating thickness to be 2 m. In the plating solution, gold is present as the Au+3 ion. This electrolytic cell operates at a current of 3.0 A and with a current efficiency of 88.9 %. The density of gold is 19.3 g cm-3. Assuming the coverage is uniform, how long, in minutes, will it take for your spoon to be plated to your satisfaction?
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