問題詳情
4.有二種不同元素X及Y，化合為兩個含此二種元素的化合物。第一個化合物是由9.34克的X和2.00克的Y化合而成；而第二個化合物是由4.67克的X和3.00克的Y化合而成。如果第一個化合物的分子式是 ，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) XY6。
(A) X2Y
(B) XY2
(C) X3Y
(D) XY3
(E) XY6。
參考答案
答案：E
難度：適中0.5
統計：A(0),B(0),C(0),D(0),E(0)
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