Which of the following statements is true for an ideal solution?

W) The enthalpy of solution is exothermic

X) The vapor pressure of the solution is directly proportional to the molality of the solvent

Y) Solvent particles interact more strongly with solute particles than other solvent particles

Z) Raoult's [rah-oolt's] Law is obeyed
Z) RAOULT's LAW IS OBEYED