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Topic: Finding Henry's Law constant  (Read 1422 times)

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Offline lrw1793

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Finding Henry's Law constant
« on: May 11, 2014, 12:10:56 PM »
http://imgur.com/0JFecBH
I'm confused as to how I should work this out?
If partial pressure = Henry's constant x concentration, I can work out the partial pressure of B from the partial pressure of A and then how would I work out the concentration?
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Offline mjc123

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Re: Finding Henry's Law constant
« Reply #1 on: May 12, 2014, 08:34:10 AM »
You don't know the partial pressure of A. You are given the partial pressure of B. Plot pB vs. xB and determine the slope. Careful with units - you are plotting against mole fraction, not concentration.
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