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
(A) aluminum
(B)cobalt
(C) bismuth
(D) lead
(E)gallium
參考答案
無參考答案
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