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![[Post New]](/templates/default/images/icon_minipost_new.gif) 15 Apr 2008 20:40:48 IST
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A solution containg ethyl alcohol and propyl alcohol gas a vapour pressure of 290 mm at 30 degree celcius .Find the vapour pressure of pure ethyl alcohol if its mole fraction in the solution is 0.65.The vapour pressurte of propyl alcohol is 210 mm at the same temperature.
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16 Apr 2008 13:52:01 IST
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is the answer 446.1538 mm
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16 Apr 2008 14:16:42 IST
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just solve this equation
290 = 0.65 * x + (1-0.65) * 210
where x = VP of pure ethyl alcohol
the final answer is
333.08 mm
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16 Apr 2008 14:40:30 IST
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yeah thats how u do it
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