Gold can be plated out of a solution containing Au³+ according to the half-reaction: Au³+ (aq) + 3e⁻ → Au(s). How many grams of gold are plated by a 30-minute flow of a 5.1 A current?
a) 7.67 g
b) 9.12 g
c) 10.25 g
d) 5.44 g