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Topic: Amount in gas phase  (Read 2634 times)

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Offline LabRat01

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Amount in gas phase
« on: November 20, 2011, 12:19:11 PM »
If I have a sealed container of pure liquid of volume 1m3, which is 99% full, how would I calculate the amount of liquid in the gas phase given the boiling point/vapour pressure of the liquid and the surrounding temperature. (assuming the liquid/gas has had a virtually infinate amount of time to equilibriate)

I'm just looking for a ball-park figure.

Is this even a chemistry problem?   :)


The liquid in question is dichloromethane which has a vapour pressure of 47 kPa at 20 °C.
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Offline Yggdrasil

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Re: Amount in gas phase
« Reply #1 on: November 22, 2011, 11:16:51 AM »
This is essentially an ideal gas law question.  What is the volume of gas in the container, what is its pressure, and what is it's temperature?
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