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20. What is the mole fraction of oxygen in a gas mixture that is 27% oxygen and 73%nitrogen by volum
問題詳情
20. What is the mole fraction of oxygen in a gas mixture that is 27% oxygen and 73%nitrogen by volume?
(A) 0.24
(B)0.27
(C) 0.32
(D)0.37
參考答案
答案:B
難度:
計算中
-1
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用户評論
【用戶】
JIA L
【年級】高一上
【評論內容】PV=nRT體積比跟莫爾數比成正比所以答案為0.27 不需要計算
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