function specificAmountOfFreeBaseMolecule extends Modelica.Icons.Function; input SubstanceData substanceData "Data record of substance"; input Modelica.Units.SI.Temperature T = 298.15 "Temperature"; input Modelica.Units.SI.Pressure p = 100000 "Pressure"; input Modelica.Units.SI.ElectricPotential v = 0 "Electric potential of the substance"; input Modelica.Units.SI.MoleFraction I = 0 "Ionic strengh (mole fraction based)"; input Modelica.Units.SI.Mass massH2O = 1 "Mass of H2O"; input Modelica.Units.SI.AmountOfSubstance nSolution = 1 "Amount of substances in solution"; output Real specificAmountOfFreeBaseMolecule(unit = "mol/kg") "Amount of substance free base molecule per substance mass"; end specificAmountOfFreeBaseMolecule;