Technical chemistry and processes
Osmotic pressure
Calculates osmotic pressure from the van ’t Hoff equation for an ideal dilute solution.
Related calculators
Beer–Lambert law
Calculates absorbance A from molar absorptivity ε, optical path length l, and molar concentration c.
Boiling-point elevation
Calculates boiling-point elevation from molality, the ebullioscopic constant, and the van ’t Hoff factor.
Freezing-point depression
Calculates freezing-point depression from molality, the cryoscopic constant, and the van ’t Hoff factor.
Simple Raoult law
Calculates solvent partial pressure as its mole fraction times the pure-solvent vapour pressure.
Basic acidic buffer
Calculates HA/A− buffer pH from Ka and both form concentrations.
Basic alkaline buffer
Calculates B/BH+ buffer pOH and pH from Kb, pKw, and both form concentrations.