阿摩線上測驗
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
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統計： A(0), B(0), C(1), D(0), E(28) #3101826
統計： A(0), B(0), C(1), D(0), E(28) #3101826
