Vapour pressures of para xylene and meth...

Vapour pressures of para xylene and methylbenezene at `90^@C` are respectivley 150 mm and 400 mm. Calculate the mole fraction of dimethyl benzene in the mixture that boils at `90^@C` , when the pressure is 0.5 atm.

Text Solution

Verified by Experts

The correct Answer is:

`0.08`

Topper's Solved these Questions

DILUTE SOLUTIONS
AAKASH SERIES|Exercise EXERCISE - 1.1.4|18 Videos
D-BLOCK ELEMENTS
AAKASH SERIES|Exercise OBJECTIVE EXERCISE-4 (ASSERTION (A) & REASON (R) TYPE QUESTIONS )|69 Videos
ELECTROCHEMISTRY
AAKASH SERIES|Exercise PRACTICE EXERCISE|55 Videos

Similar Questions

Explore conceptually related problems

Benzene and Toluene form ideal solution over the entire range of composition. The vapour pressure of pure benzene and toluene at 300 K are 50.71 mm of Hg and 32.06 mm of Hg respectively. Calculate the mole fraction of benzene in vapour phase if 80g of benzene is mixed with 100g of toluene.

Benzene and toluene form an ideal solution over the entire range of composition. The vapour pressure of pure benzene and toluene at T(K) are 50mm Hg and 40 mm Hg respectively. What is the mole fraction of toluene in vapour phase when 117 g of benzene is mixed with 46g of toluene? (molar mass of benzene and toluene are 78 and 92 g mol^(-1) respectively).

At 100^@C vapour pressure of heptane and octane are respectively 105.2 and 46.8 kPa. Calculate the vapour pressure of 60 grams of the mixture of two liquids, in which the mass of octane is 35g.

At 70^@C vapour pressure of pure benezene and pure toluene are 500 torr and 200 torr, respectively. In a homogeneous mixture of toluene with benzene at 70^@C , the mole fraction of benezene is 0.4. Calculate the vapour pressure of the mixture.

The vapour pressure of a pure liquid 'A' is 60mm, at 25^@C . It forms an ideal solution with another liquid 'B'. The mole fraction of 'B' is 0.6 and the total Pressure is 64mm. Then the vapour pressure of 'B' at 25^@C is

The vapour pressure of pure liquids A and B are 450 and 700 mm Hg respectively, at 350 K. Find out the composition of the liquid mixture if total vapour pressure is 600 mm Hg. Also find the composition of the vapour phase. Apply Raoult's law P_(T)=P_(A)^(0)x_(A)+P_(B)^(0)x_(B)=P_(B)^(0)x_(A)+P_(B)^(0)(1-x_(A)) to calculate mole fraction of A(x_(A)) and B(x_(B)) . In vapour phase, partial pressure are used insted of number of moles.

The vapour pressure of 4% solution of a non-volatile solute in water at 100^@C is 745 mm. What is the molecular weight of solute?

One mole of liquid A (vapour pressure =300 mm Hg ) and 2 moles of a liquid B (Vapour pressure =360 mm Hg) are mixed . The mole fraction of A in the vapour mixture if found to be 5//17 . Which of the following is correct ?

AAKASH SERIES-DILUTE SOLUTIONS-EXERCISE - 1.2

The density of 3M Na2S2O3 is 1.25 g/cc. Calculate the mole fraction of...
Text Solution
|
The partial pressure of ethane over a solution containing 6.50 xx10^(...
Text Solution
|
Vapour pressures of para xylene and methylbenezene at 90^@C are respec...
Text Solution
|
What weigth of a non-volatile solute (molar mass 40 g) should be disso...
Text Solution
|
Vapour pressure of pure water at 298 k is 23.8 mm Hg. Calculate the lo...
Text Solution
|
Non ideal solutions exhibit either possitive (or) -ve deviations from...
Text Solution
|
Define the terms osmotic and osmatic pressure. What is the advantage o...
Text Solution
|
What is the effect of temperature of a solutions on its molarity and m...
Text Solution
|
What is the vapour pressure of one molal glucose solution at 100^(@)C ...
Text Solution
|
Vapour pressure of water at certain temperature is 155 mm Hg and that ...
Text Solution
|
At 100^@C vapour pressure of heptane and octane are respectively 105.2...
Text Solution
|
Vapour pressure of aqueous glucose at 373 K is 750 mm Hg. Calculate th...
Text Solution
|
A mixture of two immiscible liquids water and nitrobeneze boiling at 3...
Text Solution
|
State the law co-relating the pressure of a gas and its solubility in ...
Text Solution
|
State the condition resulting in reverse osmosis.
Text Solution
|
Define the following terms: (i) Ideal solution (ii) Azeotrope and (ii)...
Text Solution
|
If 0.869 g of cholesterol is dissolved in 4.4 g of diethyl ether the v...
Text Solution
|
Boiling point of 100 g water containing 12 g of glucose dissolved in 1...
Text Solution
|
Calculate the cryscopic constant of a solvent, If its latent heat of f...
Text Solution
|
Freezing point depression of millimolal KnFe(CN)(6) is 7.1 xx 10^(-3) ...
Text Solution
|