The Vapour pressure of ethyl alcohol and methyl alcohol are 45 mm and 90mm . An ideal solution is formed at the same temperature by mixing 46g of `C_(6)H_(5)OH` with 40g of `CH_(3)OH`. Total vapour pressure of the solution approximaately x cm .x is __________________

6 g of urea is dissolved in 90g of boiling water. The vapour pressure of the solution is

Calculate the mole fraction of lower alcohol in a mixture of 92g C_(2)H_(5)OH and 32g of CH_(3)OH ?

At 300 K an ideal solution is formed by mixing 460 g of toluene with 390 k benzene. If the vapour pressure of pure toluene and respectively the mole fraction of toluene in vapour phase is

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 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 benzene is 640 mm at 298K. A solution of a solute in benzene shows a vapour pressure of 630 mm at the same temperature. Then the mole fraction of the solute is

The vaporu pressures of chloroform (CHCl_(3)) , dichloromethane (CH_(2)Cl_(2)) at 298 K are 200 mm Hg and 415 mm Hg respectivley. An ideal solutions in prepared by mixing 59.75 g of CHCl_(3) and 21 . 25 g of CH_(2) Cl_(2) , the mole fractions of chloroform and dichloromethane in vapour phase respectively are

One litre solution X has x g of urea dissolved in it. Another one litre solution Y has xg of KCl dissolved in it. Find the ratio of lowering of vapour pressures of the solutions X and Y.

At 50^@C the vapour pressure of H_2O is 92mm Hg. The vapour pressure of a solution containing 18.1g of non volatile solute in 100ml H_2O at the same temperature is 87mm Hg. Find the molecular weight of the solute.