試題詳解

28. 根據 Raoult's law，哪個陳述是錯誤?
(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.