問題詳情
2.今有兩種不同元素 及 ，化合為兩個含此兩種元素的化合物。第一個化合物是由 9.34 克的 和 2.00 克的 化合而成；而第二個化合物是由 4.67 克的 和 3.00 克的 化合而成。如果第一個化合物的分子式是 XY，那麼第二個化合物的分子式為下列何者？
(A)X2Y
(B)XY2
(C)X3Y
(D)XY3
(E)X2Y2 。
(A)X2Y
(B)XY2
(C)X3Y
(D)XY3
(E)X2Y2 。
參考答案
答案：[無官方正解]
難度：適中0.5
統計：A(0),B(0),C(0),D(0),E(0)
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