Raoult’s law calculator
Vapor pressure lowering P = X_solvent P° for ideal solutions.
Calculator
How to use
Raoult’s law
$$P_{\text{solution}} \approx X_{\text{solvent}} P^\circ$$
Ideal model: nonvolatile solute lowers solvent vapor pressure proportionally to mole fraction.
Educational use only. Double-check values for labs, homework, and exams.