問題詳情
23. An unknown metal M is electrolyzed. It took 74.1 s for a current of 2.00 A to plate out 0.107 g of the metal from a solutioncontaining M(NO3)3. The metal is therefore identified as _________.
(A) aluminum
(B) cobalt
(C) bismuth
(D) lead
(E) gallium
參考答案
答案：C
難度：計算中-1
書單：沒有書單，新增