At 40 degree celcius,the vapour pressure …
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Gaurav Seth 5 years, 5 months ago
The methanol and ethanol torr is P = 119x + 135
Where x is the mole fraction of methyl alcohol, then the value of limit x tends to 1/x
P0−P/P0= X will be the mole fraction of solute.
If X=1, then vapor pressure of methanol P=P0
P=119(1)+135
⇒135+119=255torr
If X=0, then vapor pressure of methanol P=P0
P=119(0)+135
⇒P=135
Therefore the vapor pressure of pure ethanol is 135 torr.
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