PA°equal to 200 torr and PB°equals to 100 torr calculate the composition of vapour of liquid solution containing A and B at 50 degree centigrade and it I also
the normal boiling point of solution?
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Normal boiling point means total combined vapour pressure equals external 1 atmospheric pressure or 760 torr
According to Raoult's law
760=300(1−x)+800(x)
where x and (1-x) correspond to mole fraction of respective liquid
on solving
x=0.92 and 1−x=0.08
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