Natural Science
Undergraduate
求問這題怎麼解
練演2-3.將10克的銅片放入硝酸銀溶液中,等銅片表面附有一層金屬銀後取出,
洗淨、乾燥,然後稱得其重量為 12 克,則在銅片上析出的銀重量約為多少克?
(原子量:Ag=108,Cu=63.5)
(A)7.6 (B)4.8 (C)2.8 (D) 6.4。
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