A liquid solvent is in equilibrium with its vapour. When a non-volatile solute is added to this liqu — Solutions and Colligative Properties Chemistry Question
Question
A liquid solvent is in equilibrium with its vapour. When a non-volatile solute is added to this liquid, the instant effect is the rate at which the solvent molecules leave the
Answer: D
💡 Solution & Explanation
Adding a non-volatile solute reduces the mole fraction of solvent at the surface, immediately decreasing the rate of evaporation (rate at which solvent molecules leave the solution).
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