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Citation: Wang Feng-Yun, Zhang Wei-Quan, Ye Jing-Xian. The Activity Coefficients of HCl in Aqueous-Nonaqueous Mixtures According to the Mean Sphere Approximation[J]. Acta Physico-Chimica Sinica, ;1993, 9(03): 411-415. doi: 10.3866/PKU.WHXB19930323 shu

The Activity Coefficients of HCl in Aqueous-Nonaqueous Mixtures According to the Mean Sphere Approximation

1.
Department of Chemistry, Nanjing University of Science and Technology, Nanjing 210014

Received Date: 19 November 1991
Available Online: 15 June 1993

This article is a pridiction of the activity coefficients of HCl in a series of MeOH-H_2O, EtOH-H_2O, HAc-H_2O and Dioxane-H_2O mixtures by the mean sphere approximation(MSA). By comparing the results of MSA with those calculated from Pitzer's equation or from literatures in the MeOH-H_2O media, it is shown that the MSA is powerful in the aqueous-nonaqueous media although it takes the diameter of cation as the only adjustable parameter. A disscusion about the results and the diameter of H~+ in each medium is given at the end briefly.
- Mean sphere approximation; Pitzers equation; Activity coefficient; HCl; Aqueous-nonaqueous media
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