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The vapour pressure is a solvent decreased by 10 mm of mercuit
Question

The vapour pressure is a solvent decreased by 10 mm of mercuity when a non velocity was added to the solvent. The mole traction of the solve in the solution  is 0.2. What would be the mole traction of the solvent.if decrease in the vaspour pressure is t be 20 mm of mercurity?   

A
0.8

B
0.6

C
0.4

D
0.2

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The vapour pressure is a solvent decreased by 10 mm of mercuity when a non velocity was added to the solvent. The mole traction of the solve in the solution  is 0.2. What would be the mole traction of the solvent.if decrease in the vaspour pressure is t be 20 mm of mercurity?   
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Text SolutionText solutionverified iconVerified

Mole fraction of solute=
Mole fraction of solvent=
From Roualt's law
(°-)/=mole fraction of solvent
(-)=
=mmof Hg
In second case
()/=Mole fraction of solvent
Mole fraction of solvent=
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Question Text
The vapour pressure is a solvent decreased by 10 mm of mercuity when a non velocity was added to the solvent. The mole traction of the solve in the solution  is 0.2. What would be the mole traction of the solvent.if decrease in the vaspour pressure is t be 20 mm of mercurity?   
Answer TypeText solution:1
Upvotes150