At 298k the vapoir pressure of water is 23.75 mmhg calculate the vapour pressure at thr same temperature over 5% aqeuos soln of urea
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The vapour pressure of pure liquid
p∘A=150torr
V.P of liquid B in solution ps=105torr
Let mole fraction of solute B=xm
B=xm
Using Raoult's law
x0=(p0−vs)/p0=(150−105)/150
p∘A=150torr
V.P of liquid B in solution ps=105torr
Let mole fraction of solute B=xm
B=xm
Using Raoult's law
x0=(p0−vs)/p0=(150−105)/150
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