問題詳情
48. 以 8 安培的電流電解融熔的 MgCl 2 ，歷時為 5 小時，則理論上可製得鎂多少公克？( 原子量：Mg = 24.3 )
(A) 72.4
(B) 36.2
(C) 18.2
(D) 1.49
(A) 72.4
(B) 36.2
(C) 18.2
(D) 1.49
參考答案
答案：C
難度：適中0.5
統計：A(0),B(0),C(1),D(0),E(0)
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