Here's why:
* Freezing Point Depression: Adding a solute (like methanol) to a solvent (like water) lowers the freezing point of the solution. This is known as freezing point depression.
* Colligative Property: Freezing point depression is a colligative property, meaning it depends solely on the number of solute particles present in the solution, not their identity.
* Concentration and Particles: A higher concentration of solute means more solute particles dissolved in the solvent. The greater the number of particles, the greater the freezing point depression.
Therefore, the more concentrated the methanol solution, the lower the freezing point.
