Boiling-point elevation

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Boiling-point elevation is the increase in temperature of the boiling point of a liquid that contains non-volatile solute. It is a colligative property: for dilute solutions of non-electrolytes, the difference in boiling point from that of the pure solvent is proportional to the amount of solute.

Ebullioscopy is the experimental technique that uses boiling-point elevation to measure the molecular weight of compounds.

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