化學簡單mol數1條

2011-10-25 5:41 am
7.0g的氮氣體積是n dm^3,16g氧氣的體積是?

回答 (1)

2011-10-25 6:06 am
✔ 最佳答案
氮氣的摩爾數 = 7/(14*2) = 0.25
設摩爾體積為V dm^3 mol^-1
n/0.25 = V
V = 4n
氧氣的摩爾數 = 16/(16*2) = 0.5
故氧氣的體積
= 0.5 * V
= 0.5 * 4n
= 2n
參考: Knowledge is power.


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