問題詳情

59. In a certain electroplating process gold is deposited by using a current of 14.0 A for 19 minutes. Agold ion, Au+, has a mass of approximately 3.3x10-22 g. How many grams of gold are deposited bythis process? (e = 1.60x10-19 C)
(A) 22g
(B) 28g
(C) 31g
(D) 36g
(E) 97g

參考答案

答案:C
難度:計算中-1
書單:沒有書單,新增