13 Which of the following statements is false according to Raoult's law?
(A)The vapor pressure of a solvent over a solution decreases as its mole fraction increases.
(B)The solubility of a gas increases as the temperature decreases.
(C)The vapor pressure of a solvent over a solution is less than that of pure solvent.
(D)The greater the pressure of a gas over a solution the greater its solubility.

(E)Ionic solutes dissociate in solution causing an enhancement of all colligative properties.