At `25^(@)C`, the vapour pressure of pure liquid A (mol. Mas = 40) is 100 torr, and pure liquid B is 40 torr (mol. = 80). The vapour pressure at `25^(@)C` of a solution containing 20 g of each A and B is :
A
80 torr
B
59.8 torr
C
68 torr
D
48 torr
Text Solution
Verified by Experts
The correct Answer is:
a
Topper's Solved these Questions
DILUTE SOLUTION
NARENDRA AWASTHI|Exercise Level 1 (Q.62 To Q.91)|1 Videos
The vapour pressure of two pure liquids A and B are 50 and 40 torr respectively. If 8 molrs of A is mixed with x moles of B , then vapour pressure of solution obtained is 48 torr. What is the value of x.
The vapour pressure of two pure liquids A and B are 5 and 10 torr respectively. Calculate the total pressure of the solution (in torr) obtained by mixing 2 mole of A and 3 mole of B.
100 g of liquid A (molar mass 140 g mol^(-1) was dissolved in 1000 g of liquid B (molar mass 180 g mol^(-1)) . The vapour pressure of pure liquid B was found to be 500 torr. Calculate the vapour pressure of pure liquid A and its vapour pressure in the solution if the total vapour pressure of the solution is 475 Torr.
The vapour pressure of two liquids P and Q are 80 and 60 torr respectively. The total vapour pressure of solution obtained by mixing 3 mol of P and 2 mol of Q would be.
At 20^@C the vapour pressure of pure liquid A is 22 mm Hg and that of pure liquid B is 75mm Hg. What is the composition of the solutions of these two components that has a vapour pressure of 48.5 mm Hg at this temperature?
Benzene and toluene form nearly ideal solution. At a certain temperature the vapour pressure of pure benzene and toluene are 150 and 50 torr. respectively. Calculate the vapour pressure of solution containing equal weights of benzene and toluene at this temperature .
At 48^(@)C , the vapour pressure of pure CS_(2) is 850torr . A solution of 2.0 g of sulphur in 100g of CS_(2) has a vapour pressure 844.9 torr. Determine the atomicity of sulphur molecule :
True or false Two liquids A and B boil at 125^@C and 146^@C respectively. Liquid A will have higher vapour pressure.
Two liquids A and B boil at 145^@C and 190^@C respectively. Which of them has a higher vapour pressure at 80^@C ?
Vapour pressure of water at 20^C is 17.5 mm of Hg and lowering of vapour pressure of a sugar soluton is 0.061 mm of Hg. Calculate vapour pressure of the solution.
NARENDRA AWASTHI-DILUTE SOLUTION-Level 3 - Match The Column
