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Gas Laws

Partial Pressure Calculator

Calculate the partial pressure of a gas in a mixture.

P_partial = P_total * x

Run this calculator

Leave a nullable field blank to solve for it.

Total pressure of the gas mixture in atmospheres (atm).

Mole fraction of the gas.

Formula

This calculator uses the equation below. Use it as a quick reference when checking setup before solving.

P_partial = P_total * x

Variable glossary

Total Pressure (total_pressure)

Total pressure of the gas mixture in atmospheres (atm).

Mole Fraction (mole_fraction)

Mole fraction of the gas.

Frequently Asked Questions

What does the Partial Pressure calculator solve?

It solves Partial Pressure problems in gas laws using your provided inputs and computes unknown values when nullable fields are left blank.

Do I need to convert units before using this tool?

Use the unit toggles where available (for example K/C and L/mL). ChemGenius converts values to the calculator's base units automatically before solving.

Can I save this result in my workflow?

Yes. After computing a result, you can continue into ChemGenius workflows like protocol drafting or notes to keep your calculation context attached to downstream work.