chapter  3
8 Pages

Mean Distance of Closest Approach of Ions: Unpublished Data for Some Acids in Aqueous Solutions

DIANA C. SILVA, CECILIA I. A. V. SANTOS, and ANA C. F. RIBEIRO

Department of Chemistry and Coimbra Chemistry Centre, University of Coimbra, 3004-535 Coimbra, Portugal,[email protected]

Abstract ................................................................................................... 56 3.1 Introduction .................................................................................... 56 3.2 Estimation of Parameter a from Experimental Mean Ionic

Activity Coefficients and Diffusion Coefficients .......................... 56 3.4 Results and Discussion .................................................................. 59 3.5 Conclusions .................................................................................... 61 Acknowledgments ................................................................................... 61 Keywords ................................................................................................ 61 References ............................................................................................... 61

ABSTRACT

The estimation of numerical values forthe mean distance of closest approach of ions, a, of acids in aqueous solutions, determined from activity and diffusion coefficients, and from different theoretical approaches, is presented and discussed.