75. Compound X and Y contain two elements A and B only. 3.0 g of compound X contains 1.4 g of A, while 27.0 g of compound Y contains 7.0 g of A. The formula of compound X is AB. Which one is the formula of compound Y?
(A) AB2
(B) A4B6
(C) A2B
(D) A3B4
(E) A2B5
詳解 (共 2 筆)
未解鎖
你好!這是一道關於化學計量與倍比定律(L...
私人筆記 (共 1 筆)
未解鎖
題目翻譯 答
