Question

why elevation in boiling point proportional to molality. but not to mole fraction?​

Answer 1

Answer:

When a non-volatile solute is added to a solvent, the vapour pressure of the resulting solution is lower than that of the pure solvent. Therefore, a greater amount of heat must be supplied to the solution for it to boil. This increase in the boiling point of the solution is the boiling point elevation.

Explanation:

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