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Draw a suitable diagram to express the relationship for ideal solutions of `A` and `B` between vapour pressure and mole fractions of components at constant temperature

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Two liquid A and B have vapour pressure in the ratio P_A^(@) : P_B^(@) =1.3 at a certain temperature.Assume A and B from an ideal solution and the ratio of mole fractions of A to B in the vapour phase is 4 : 3, then the mole fraction of B in the solution at the same tempreature is :

Vapor pressure of a solution of Volatile components and composition of vapor: Consider a solution containing 738 g of water and 253 g of ethanol (C_(2)H_(5)OH) at 323 K . At this temperature, the vapour pressure of pure ethanol is 0.292 atm and the vapor pressure of pure water is 0.122 atm . Calculate the vapour pressure of the solution and mole fraction of every component in vapour phase. Strategy: First calculate the moles and the mole fraction of each component in the liquid solution. Then apply Raoult's law to each of the two volatile components to calculate their partial pressures. The total vapour pressure is the sum of the partial vapour pressures of the components and the mole fraction of a components in a gaseous mixture equals the ratio of its partial pressure to the total pressure.

The vapour pressures of pure liquids A and B are 400 and 600 mm Hg respectively at 298 K. On mixing the two liquids, the sum of their initial volumes is equal to the volume of the final mixture. The mole fraction of liquid B is 0.5 in the mixture. The vapour pressure of the final solution, the mole fractions of components A and B in vapour phase, respectively are :

RESONANCE-SOLUTIONS-EXERCISE-3(PART-3)
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  2. With the help a neat diagram indicate why the solution of a non-volati...

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  3. Draw a suitable diagram to express the relationship for ideal solutio...

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  4. Calculate the number of moles of methanol in 5 litres in its 2m soluti...

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  5. How is relative lowering of vapour pressure defined for a solution con...

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  6. An aqueous solution of sodium chloride freezes below 273 K. Explain th...

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  7. Two elements A and B form compounds having molecular formula AB(2) and...

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  8. Why is the elevation in b.p. of water different in the following solut...

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  9. 10ml of liquid A was mixed with 10ml of liquid B. The volume of the re...

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  10. Two liquids A and B boil at 130^(@)C and 160^(@)C , respectively. Whi...

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  11. Of 0.1 molal solutions of glucose and sodium chloride respectively. Wh...

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  12. (a) Why is the vapour pressure of a solution of glucose in water lower...

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  13. Define osmotic pressure.

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  14. State the condition resulting in reverse osmosis.

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  15. (a) The depression in freezing point of water observed for the same mo...

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  16. Henry's law constant for CO(2) in water is 1.67xx10^(8) Pa at 298 K. ...

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  17. The freezing point of a solution containing of 0.2g of acetic acid in ...

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  18. (a) Define the following terms: (i) Mole fraction (ii) Van't Hoff fa...

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  19. (a) What is meant by: (i) Colligative properties (ii)Molality of a sol...

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  20. Non-ideal solutions exhibit either positive or negative deviation from...

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