問題詳情
3. The partial pressures of CH4, N2, and O2 in a sample of gas were found to be 135 mm-Hg, 508 mm-Hg,and 571 mm-Hg, respectively. Calculate the mole fraction of nitrogen.
(A) 20.4；
(B) 0.470；
(C) 0.418；
(D) 0.751；
(E) 0.359
參考答案
答案：[無官方正解]
難度：計算中-1
書單：沒有書單，新增