Osmotic Pressure Calculator

Number of ions:
Osmotic Coefficient:
Concentration of all solutes:  (mol/L)
Absolute Temperature:  (K)
Osmotic Pressure:  (bar)

Osmotic pressure calculator to find the osmotic pressure of a solution containing dissolved solids. The Osmotic pressure arises when a pure solvent and a solution or two solutions of different concentrations.

Osmotic pressure formula

π = i . Φ * c . R. T

Where πis Osmotic pressure, T is the temperature on the Kelvin scale, R is 0.083145 Liter.bar/(deg.mol) the Universal gas constant, i is Number of ions produced by solute dissiation, e.g. 3 of MgCl2 2 of NaCl, c is Concentration of the solution, Φ is Osmotic coeffient.

For example, when Number of ions is 3, Osmotic Coefficient is 0.2, Concentration of all solutes is 3, Absolute Temperature is 20, then Osmotic Pressure is 2.99322 Bar.

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