Solutions

Ionic strength and activity

I = ½ Σ cz², plus activity coefficients (Debye-Huckel to Davies).

I = ½ Σ cᵢzᵢ²
IonConc (mM)Charge z (override)
Ionic strengthI = ½ Σ cᵢzᵢ² ; γ via Debye-Huckel/Davies
Calculated live

Ionic strength 0.1 M (extended-debye-huckel).

1

I = 0.1 M, activity model: extended-debye-huckel.

IonzActivity γ
Na+10.7696
Cl--10.7538
Ionic strength and activity, Aliquot