Chemistry, asked by thodage7, 3 months ago

Describe vapour pressure lowering and boiling point elevation ​

Answers

Answered by Anonymous
16

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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.

Answered by TheGlamorousBoy
9

Explanation:

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.

Solvent: Kb value (in oC.kg.mol-1)

Water: 0.512

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