2 moles each of liquids A and B are dissolved to form an ideal solution. What will be the mole fraction of B in the vapour phases ?
`p_(A)^(@) = 120 " torr ", p_(B)^(@) = 80` torr

The vapour pressure of a liquid solution containing A and B is 99 torr. Calculate mole % of B in vapour phase. (Given : P_(A^(@)) = 100 torr , P_(B^(@)) = 80 torr)

The vapour pressure of a liqid solution containing A and B is 99 torr. Colculate mole % of B in vapour phase. (Given : P_(A^(@)) = 100 torr , P_(B^(@)) =80 torr)

20 moles of liquid A are mixed with 20 moles of liquid B to form an ideal binary solution. Calculate moles of A in liquid state when half of the solution has vaporized : ( Given : P_(A)^(@)=100 " torr", P_(B)^(@)=121 " torr" )

The vapour pressure of a liqid solution containing A and B is 99 torr. Colvulate mole % of in vapour phese. (Given : P_(A^(@)) = 100 torr , P_(B^(@)) =80 torr)

The vapour pressure of a liquid solution containing A and B is 99 torr. Calculate mole % of B in vapour phase. (Given : P_A^0 = 100 torr , P_B^0 = 80 torr)

If Pa and Pb are 108 and 36 torr respectively. What will be the mole fraction of A is vapour phase if B has mole fraction in solution 0.5:

Consider two cylinder piston assembly as shown in figure (a) and in figure (b) are kept in vacuum. Assume both piston are massless. Let two masses m_(1) and m_(2) are kept on the piston as shown in figure. Values of m_(1) and m_(2) are in the range in which both liquid and vapour phase coexist and are in equilibrium. Solution I contains 10 moles of liquid A and 10 moles of liquid B while solution II contains 8 moles of liquid A and 12 moles of liquid B. Let liquids A and B are completely miscible and form an ideal binary solution. Given : P_(A)^(@) = 100 torr, P_(B)^(@) = 60 torr, Let X_(A) = mole fraction of A in liquid phase in solution I X'_(A) = mole fraction of A in liquid phase in solution II Y_(A) = mole fraction of A in vapour phase in solution I Y'_(A) = mole fraction of A in vapour phase in solution II If m_(1) = m_(2) then :

Consider two cylinder piston assembly as shown in figure (a) and in figure (b) are kept in vacuum. Assume both piston are massless. Let two masses m_(1) and m_(2) are kept on the piston as shown in figure. Values of m_(1) and m_(2) are in the range in which both liquid and vapour phase coexist and are in equilibrium. Solution I contains 10 moles of liquid A and 10 moles of liquid B while solution II contains 8 moles of liquid A and 12 moles of liquid B. Let liquids A and B are completely miscible and form an ideal binary solution. Given : P_(A)^(@) = 100 torr, P_(B)^(@) = 60 torr, Let X_(A) = mole fraction of A in liquid phase in solution I X'_(A) = mole fraction of A in liquid phase in solution II Y_(A) = mole fraction of A in vapour phase in solution I Y'_(A) = mole fraction of A in vapour phase in solution II If m_(1) = m_(2) then :

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 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