Calculator Hub

Science & Environment

Dalton's Law Partial Pressure Calculator

Find partial pressure and mole fraction of a gas component in a mixture using Dalton's law.

Your inputs

Change any value to update the result instantly.

Science & Environment
atm
mol
mol

Partial pressure

0.2 atm

Mole fraction

0.2

Total pressure

1 atm

Remaining pressure

0.8 atm

Formula and working

P_i = x_i × P_total

  1. 1

    Collect the inputs

    Total pressure = 1 atm; Moles of component = 2 mol; Total moles = 10 mol

  2. 2

    Apply the formula

    P_i = x_i × P_total

  3. 3

    Result

    Partial pressure = 0.2 atm

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.

Report a mistake or request an improvement

Tell us if a formula, unit, explanation, or result needs attention. Your message will include this calculator’s name and page.

Related calculators

Back to Calculator Hub