問題詳情
1. 將鐵片放入硫酸銅溶液中，等鐵片表面附有一層金屬銅後取出洗淨、乾燥、稱重，得知其重量增加1.0克，在鐵片上析出的銅重量約為若干克？
(A)1.0
(B)4.0
(C)8.0
(D)16.0。
(A)1.0
(B)4.0
(C)8.0
(D)16.0。
參考答案
答案：C
難度：適中0.5
統計：A(0),B(0),C(0),D(0),E(0)
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