Osmotic pressure

Osmotic pressure: use van ’t hoff factor, concentration, temperature. Review the formula, worked example and calculation steps.

Inputs

Use the units shown
RESULT
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Formula & explanation
Π = i cRT

Variables & units

Van ’t Hoff factor
Numeric value · minimum 0, maximum 1000000000000
Concentration
mol/m³ · minimum 0, maximum 1000000000000
Temperature
K · minimum 5e-324, maximum 1000000000000

Worked example

Use the displayed example inputs, then follow the substituted values in the solution.

Assumptions

Ideal dilute solution. Concentration here is mol/m³, not mol/L.

References

Formula version 1.0.0. JavaScript floating-point arithmetic applies. Results display up to 6 decimal places; stored values retain available precision. Use the units shown.

Practice with an example

Use the default input values to find the answer. The reset icon restores those values.

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