Science & Environment
Raoult's Law Vapour Pressure Calculator
Calculate the vapour pressure lowering of a solution using Raoult's law for an ideal mixture.
Your inputs
Change any value to update the result instantly.
Solution vapor pressure
22.8846 mmHg
Mole fraction solvent
0.9615
Vapor pressure lowering
0.9154 mmHg
Pure solvent vapor pressure
23.8 mmHg
Formula and working
P_solution = x_solvent × P°_solvent
- 1
Collect the inputs
Pure solvent vapor pressure = 23.8 mmHg; Moles of solvent = 50 mol; Moles of solute = 2 mol
- 2
Apply the formula
P_solution = x_solvent × P°_solvent
- 3
Result
Solution vapor pressure = 22.8846 mmHg
Frequently asked questions
Important limitation
This is an educational estimate based only on the values and formula shown. Verify current rates, rules, units, and professional standards before relying on the result. It is not personalized financial or investment advice.
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