問題詳情
12. 蒸氣壓分別為 a mmHg 的純質 X 與 2a mmHg 的純質 Y，兩者可形成理想溶液，若以 X、Y 製備甲、乙及丙三種混合溶液，Y 的莫耳分率分別為 0.0.及 0.75，則下列有關甲、乙、丙三者蒸氣壓大小之順序，何者正確？
(A)甲＞乙＞丙
(B)乙＞甲＞丙
(C)丙＞乙＞甲
(D)甲＞丙＞乙。
(A)甲＞乙＞丙
(B)乙＞甲＞丙
(C)丙＞乙＞甲
(D)甲＞丙＞乙。
參考答案
答案：C
難度：適中0.5
統計：A(0),B(0),C(0),D(0),E(0)
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