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Natalija [7]
2 years ago
12

The vapor pressure of pure acetone (propanone) is 266 torr. When a non-volatile solute is added, the vapor pressure of acetone a

bove the solution falls to 232 torr. What is the mole fraction of the non-volatile solute in the solution?.
SAT
1 answer:
kondaur [170]2 years ago
6 0

The mole fraction of the non-volatile solute in the solution is 0.13.

<h3>Mole fraction of solute </h3>

Using law of vapor pressure formula

Mole fraction of the non-volatile solute=Vapor pressure of the pure acetone-Vapor pressure of the solution /Vapor pressure of the pure acetone

Where:

Vapor pressure of the pure solvent (acetone) =266 torr

Vapor pressure of the solution =232torr

Mole fraction of solute = ?

Let plug in the formula

Mole fraction of the non-volatile solute=266-232/266

Mole fraction of the non-volatile solute=34/266

Mole fraction of the non-volatile solute=0.127

Mole fraction of the non-volatile solute=0.13 (Approximately)

Inconclusion the mole fraction of the non-volatile solute in the solution is 0.13.

Learn more about mole fraction of the non-volatile solute here: brainly.com/question/14114576

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