basic

Raoult's Law Vapor Pressure Mixture Calculator

P_mix = x_A·P°_A + x_B·P°_B — ideal solution vapor pressure.

Calculates the total vapor pressure of an ideal binary liquid mixture using Raoult's Law from mole fractions and pure component vapor pressures.

Dr. Helena Ortiz By Dr. Helena Ortiz
Published Last reviewed 1 min read

Inputs

Results

Enter values and click Calculate to see results.
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How to use this calculator

  1. Fill in the inputs above using the units you already have.
  2. Values update automatically as you type — no submit button needed.
  3. Hover any result row for the underlying formula and intermediate values.

Formula

P_total = x_A × P°_A + (1−x_A) × P°_B

In depth

Calculates the total vapor pressure of an ideal binary liquid mixture using Raoult's Law from mole fractions and pure component vapor pressures.