Thermodynamic properties of multicomponent electrolyte solutions in mixed solvents {HCl + NaCl-tert-C4H9OH + H2O} at (278.15 to 318.15) K |
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| Institution: | 1. Department of Plant Sciences, Quaid-i-Azam University, Islamabad, 45320, Pakistan;2. Department of Chemical Engineering, COMSATS University Islamabad (CUI), Lahore Campus, 54000, Lahore, Punjab, Pakistan;3. Sustainable Process Integration Laboratory, SPIL, NETME Centra, Faculty of Mechanical Engineering, Brno University of Technology, VUT Brno, Technická 2896/2, Brno, 616 00, Czech Republic;4. School of Chemical Engineering, Yeungnam University, Gyeongsan, 712-749, South Korea;5. Chemistry Department, College of Science, King Saud University, Riyadh, 11451, Saudi Arabia;6. Faculty of Sciences, Department of Botany, PMAS Arid Agriculture University, Rawalpindi, Punjab, 46300, Pakistan;1. College of Environmental Science and Engineering, Hunan University, Changsha 410082, China;2. Key Laboratory of Environmental Biology and Pollution Control (Hunan University), Ministry of Education, Changsha 410082, China;3. College of Municipal and Mapping Engineering, Hunan City University, Yiyang, Hunan 413000, China;4. College of Resources and Environment, Hunan Agricultural University, Changsha 410128, China;5. Institute of Biological and Environmental Engineering, Hunan Academy of Forestry, Changsha 410004, China;1. Institute of Food Science and Technology, Chinese Academy of Agricultural Sciences, Beijing, 100193, China;2. Adaptation Physiology Group, Department of Animal Sciences, Wageningen University & Research, Wageningen, the Netherlands;3. School of Food and Health, Beijing Technology and Business University, Beijing, 100048, China;4. Laboratory of Biochemistry, Wageningen University & Research, Wageningen, the Netherlands;1. Technische Universität Wien, Vienna, Austria;2. Austrian Institute of Technology, Vienna, Austria |
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| Abstract: | The thermodynamic properties of (HCl (mA) + NaCl (mB)-tert-C4H9OH + H2O) system were studied by means of e.m.f. measurements in the cell without liquid junction at constant total ionic strength I=1.00 mol · kg−1 from 278.15 K to 318.15 K. The standard electrode potential of Ag–AgCl and activity coefficient of HCl in the mixed solvents have been determined. The results show that the activity coefficient of HCl in HCl–NaCl solution still obeys Harned’s Rule and the logarithm of HCl activity coefficient, lgγA, is a linear function reciprocal of temperature at constant composition of the mixture. The standard transfer Gibbs free energy of HCl was calculated. |
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