ACTIVITY-COEFFICIENT MEASUREMENTS OF THE SYSTEM HCL-ZNCL2-H2O AT 25 AND 35-DEGREES-C

被引：5

作者：

TIALOWSKAMOCHARLA, H ^{[1
]}

MANOHAR, S ^{[1
]}

ATKINSON, G ^{[1
]}

机构：

[1] UNIV OKLAHOMA,DEPT CHEM,NORMAN,OK 73019

来源：

JOURNAL OF SOLUTION CHEMISTRY | 1992年 / 21卷 / 06期

关键词：

ACTIVITY COEFFICIENTS; HYDROCHLORIC ACID; ZINC CHLORIDE; PITZER EQUATIONS; EXCESS FREE ENERGIES;

D O I：

10.1007/BF00649563

中图分类号：

O64 [物理化学（理论化学）、化学物理学];

学科分类号：

070304 ; 081704 ;

摘要：

Electromotive force measurements were carried out on the HCl-ZnCl2-H2O system al constant total ionic strengths of 0.1, 0.2, 0.5, 1.0 and 2.0 mol-kg-1 at 25 and 35-degrees-C using a cell consisting of Pt, H2(g, 1 atm)\HCl(mA), ZnCl2(mB)\AgCl/Ag. The data were interpreted by the mixed electrolyte equations of Pitzer and K(im) in order to evaluate mixing ion-interaction parameters. The activity coefficients of ZnCl2 and the Gibbs excess free energies of mixing are calculated and presented at I = 2.0 mol-kg-1 and compared with similar systems containing transition metal chlorides.

引用

页码：545 / 555

页数：11

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