A non-volatile solute (A) is dissolved in a volatile solvent (B). The vapour pressure of resultant solution is Ps. The vapour pressure of pure solvent is P0B. If "X" is mole fraction, which of the following is correct?

Given   = V.P of pure solvent      Ps= V.P of a solution of non-volatile solute  XA= mole fraction of solute  XB = mole fraction of solventRaoult's law states that " V.P of a solvent in a solution of non-volatile solute isdirectly proportional to its mole fraction in the solution"          For a pure solvent  substitute the value of K in eq (1)