What you provide
What you provide
- Solvent liquid mole fraction, using the same scenario as the other inputs
- Pure-solvent vapor pressure expressed in kPa, using the same scenario as the other inputs
CHEMISTRY / SOLUTION VAPOR PRESSURE
Raoult Law Vapor Pressure Calculator
Estimate solvent partial vapor pressure above an ideal solution. Inspect the equation, substituted values, assumptions, and result in one guided chemistry workspace.
- 01 Calculated in this tab
- 02 Values stay in this browser tab
- 03 Use boundary
Use boundary
Calculation path
Estimate solvent partial vapor pressure above an ideal solution. The page evaluates the displayed equation from your supplied values and presents both symbolic and substituted KaTeX working so the arithmetic can be checked.
Calculation path
P=x_solvent P_star
What you receive
What you receive
- Solvent partial pressure in kPa from the stated equation
- A symbolic formula plus substituted working with your values
- Visible assumptions, field guidance, and an authoritative learning reference
Use boundary
Choose the maximum decimal places shown. This does not increase source accuracy.
The solution is ideal, the entered component follows Raoult's law, and temperature is fixed.
Use internally consistent units and retain extra precision when carrying the result into another calculation.
Reviewed reference factors