Ionic strength calculator
Prepare the solution you want —one or several salts, strong acids or bases, in molarity, moles or grams and in the volume you choose— and get its ionic strength with every step.
What you can do
- Over 40 electrolytes (NaCl, CaCl₂, MgSO₄, Na₂SO₄, Al₂(SO₄)₃, K₄[Fe(CN)₆]…), electrolytes you type and single ions.
- Concentration of each ion, I = ½ Σ cᵢ zᵢ² with the numbers and an electroneutrality check.
- Activity coefficients with the Debye–Hückel limiting law, the Güntelberg equation and the Davies equation, and which one fits for your I.
- Ionic strength of mixtures with weak acids and bases, from the equilibrium of «Solutions (pH)».
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