draw vapour pressure mole fraction curve of an ideal solution of 2 volatile components
Answers
Answer:
The practical vapour pressure of the components of an ideal solution of two volatile liquids are related to the composition of the liquid mixture by Raoults vapour components.
Explanation:
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Explanation: An ideal mixture is one which obeys Raoult's Law, but I want to look at the characteristics of an ideal mixture before actually stating Raoult's Law. The page will flow better if I do it this way around.
Examples of ideal mixtures
There is actually no such thing as an ideal mixture! However, some liquid mixtures get fairly close to being ideal. These are mixtures of two very closely similar substances.
Commonly quoted examples include:
hexane and heptane
benzene and methylbenzene
propan-1-ol and propan-2-ol
Ideal mixtures and intermolecular forces
In a pure liquid, some of the more energetic molecules have enough energy to overcome the intermolecular attractions and escape from the surface to form a vapour.
The smaller the intermolecular forces, the more molecules will be able to escape at any particular temperature.