版权所有：华东理工大学物理化学教研室 16 There is no experimental way of separating the product γ+ γ- into contributions from the cations and the anions. we introduce the mean activity coefficient : 21 )( = −+± γγγ ++ += ± lnγ ideal μμ RT The individual chemical potentials of the ions is −− += ± ln γ ideal μμ RT 10.2 Ion activities 2) Mean activity coefficients For a 1,1-electrolyte: ± γ版权所有：华东理工大学物理化学教研室 16 There is no experimental way of separating the product γ+ γ- into contributions from the cations and the anions. we introduce the mean activity coefficient : 21 )( = −+± γγγ ++ += ± lnγ ideal μμ RT The individual chemical potentials of the ions is −− += ± ln γ ideal μμ RT 10.2 Ion activities 2) Mean activity coefficients For a 1,1-electrolyte: ± γ