Vapour pressure of pure A is 70 mm of Hg at `25^(@)C`. If it forms an ideal solution with B in which mole fraction of A is 0.8 and vapour pressure of the solution is 84 mm of Hg at `25^(@)C`, then the vapour pressure of pure B at `25^(@)C` is

Vapour pressure of pure 'A' is 70 mm of Hg at 25^(@)C . It forms an ideal solution with 'B' in which mole fraction of A is 0.8 . If the vapour pressure of the solution is 84 mm of Hg at 25^(@)C , the vapour pressure of pure 'B' at 25^(@)C is :

The vapour pressure of pure liquid Ais 70 torr at 27^@C It forms an ideal solution with another liquid B. The mole fraction of B 1s 0.2 and total vapour pressure of the solution is 84 torr at 27^@C . The vapour pressure of pure liquid B at 27^@C is

The vapour pressure of a pure liquid 'A' is 70 torr at 27^(@)C . It forms an ideal solution with another liquid B. The mole fraction of B is 0.2 and total pressure of the solution is 84 torr at 27^(@)C . The vapour pressure of pure liquid B at 27^(@)C is :

The vapour pressure of a pure liquid A is 70 torr at 27^(@)C It forms and ideal solution with another liquid B. The mole fraction of B is 0.2 and the total vapour pressure of the solution is 84 torr at 27^@ C .the vapour pressure of pure liquid B at . the vapur pressure of pure liquid B at 27^(@)C is _____.

The vapour pressure of pure liquid 'A' is 70 torr, at 27^(@)C . It forms an ideal solution with another liquid 'B'. The mole fraction of 'B' is 0.2 and total pressure of the solution is 84 torr at 27^(@)C . Find the vapour pressure of pure liquid B at 27^(@)C .

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