what does individual pressure of solute and solvent mean?

Open in App

Solution

If solute is volatile, upon heating to certain temperature it will also goes into vapour state. So, the pressure created by these vapour will the vapour pressure of pure solute.
When a liquid is pure and it boils , its vapour pressure will be equal to pressure exerted by pure liquid.
When a volatile solute is mixed with solvent then the total vapour pressure of solution is given by partial vapour pressure of solute and solvent. Here the partial vapour pressure is the individual contribution of vapour pressure of solute and solvent which is given by the Roult's law .
P₁ = X₁P₁⁰
P₂ = X₂P₂⁰
Here P₁ and P₂ is the partial vapour pressure of solute and solvent individually in solution. P₁^{0 ,}P₂⁰are the individual vapour pressure of solute and solvent in pure state.

Suggest Corrections

Similar questions

Question 05
Maximum amount of a solid solute that can be dissolved in a specified amount of a given liquid solvent does not depend upon.........
(a) temperature (b) nature of solute
(c) pressure (d) nature of solvent

Q. What do you mean by Solution, Solvent, Solute and Concentration.

For a solution to form positive deviation,the solute-solvent interactions must be less than solute-solute and solvent-solvent interactions,making it easier for the molecules to escape in its pure form.still,why does the vapour pressure of the solution showing positive deviation increase compared to the pure form?

In the present society the concept of individualism has been increased. What does individualism mean?

Q. The vapour pressure of a solution of a non- volatile solute

B

in a solvent

A

95 %

of the vapour pressure of the pure solvent at the same temparature. If the molecular weight of the solvent is

0.3

times the molecular weight of the solute, what is the ratio of the weight of solvent to solute?

Join BYJU'S Learning Program