作者vivaonly (viva)
看板TransBioChem
标题[化学] 蒸气压的问题
时间Thu Jul 10 17:05:52 2008
*The density of water vapor in eqilibrium with liquid water at 60度C
is 1.40 g/L. What is the vapor pressure (in torr) of water at 60度C?
And what is the vapor pressure of 0.1m NaCl aqueous solution at 60度C?
我第一小题是用PM=DRT算的 算出P=0.61atm=461.17torr
然後第二小题我就把上面的压力乘以水的莫耳分率
1000/18
=461.17*--------------=460.25(torr)
0.1+(1000/18)
但算完就觉得不太对应该考虑饱和蒸汽压
要怎麽样才能求出饱和蒸汽压呢?? 然後要怎样完成这一题呢请大大指教谢谢
*还有可以再请问一下什麽是critical temperature of noble gases?
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