Question

question 8
when a non - volatile solute is dissolved in a solvent, it makes the boiling point __ and the freezing point __

increase, decrease
decrease, increase
increase, increase
decrease, decrease

Explanation:

When a non - volatile solute is dissolved in a solvent, it causes boiling point elevation and freezing point depression. Boiling point elevation occurs because the solute lowers the vapor pressure of the solvent, requiring a higher temperature to reach the boiling point. Freezing point depression happens as the solute disrupts the formation of the solvent's crystal lattice structure, so a lower temperature is needed for freezing.

Answer:

A. increase, decrease