Abstract
Simple two-parameter Hückel and Pitzer equations were used for the calculation of the activity coefficients of aqueous hydrochloric acid at 25°C up to a molality of 2.0 mol-kg−1. The data obtained by Harned and Ehlers(12,13) from galvanic cells without liquid junction were used in the analysis and the parameters obtained were compared to those obtained from all reliable data presented in the literature for HCl at this temperature. A good agreement between the parameters was always observed. The activity coefficients obtained by the new equations were compared to those suggested by Robinson and Stokes,(8) Hamer and Wu,(1) and Pitzer and Mayorga,(9) and good agreement was also found. The data from the most important literature data sets for HCl were also predicted using the new activity coefficient equations, and the magnitude of the resulting errors was close to the precision of the measurements, the errors forming an almost random pattern for all data sets.
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References
W. J. Hamer and Y. C. Wu, J. Phys. Chem. Ref. Data 1, 1047(1972).
T. Shedlovsky and D. A. MacInnes, J. Amer. Chem. Soc. 58, 1970(1936).
A. K. Covington and J. E. Prue, J. Chem. Soc., p. 3701(1955).
L. G. Longsworth, J. Amer. Chem. Soc. 54, 2741(1932).
R. Haase, H. Naas, and H. Thumm, Z. Phys. Chem. (Neue Folge) 37, 210(1963).
M. Randall and A. P. Vanselow, J. Amer. Chem. Soc. 46, 2418(1924).
J. I. Partanen, Acta Polytech. Scand. Chem. Technol. Metall. Ser. 188, 1(1989).
R. Robinson and R. Stokes, Electrolyte Solutions, 2nd edn. (Butterworths, London, 1959).
K. S. Pitzer and G. Mayorga, J. Phys. Chem. 77, 2300(1973).
K. S. Pitzer, ed., Activity Coefficients in Electrolyte Solutions, 2nd edn. (CRC Press, Boca Raton, FL, 1991).
D. G. Archer and P. Wang, J. Phys. Chem. Ref. Data 19, 371(1990).
H. S. Harned and R. W. Ehlers, J. Amer. Chem. Soc. 54, 1350(1932).
H. S. Harned and R. W. Ehlers, J. Amer. Chem. Soc. 55, 2179(1933).
W. R. Carmody, J. Amer. Chem. Soc. 54, 188(1932).
E. J. Roberts, J. Amer. Chem. Soc. 52, 3877(1930).
G. A. Linhart, J. Amer. Chem. Soc. 41, 1175(1919).
G. Scatchard, J. Amer. Chem. Soc. 47, 641(1925).
G. Nonhebel, Phil. Mag. (7) 2, 1085(1926).
A. A. Noyes and J. H. Ellis, J. Amer. Chem. Soc. 39, 2532(1917).
G. Faita and T. Mussini, J. Chem. Eng. Data 9, 332(1964).
R. G. Bates and V. E. Bower, J. Res. Natl. Bur. Stand. 53, 283(1954).
M. Duboux and J. Rochat, Helv. Chim. Acta 22, 161(1939).
J. H. Ellis, J. Amer. Chem. Soc. 38, 737(1916).
G. A. Linhart, J. Amer. Chem. Soc. 39, 2601(1917).
G. J. Hills and D. J. G. Ives, J. Chem. Soc., p. 318(1951).
S. R. Gupta, G. J. Hills, and D. J. G. Ives, Trans. Faraday Soc. 59, 1874(1963).
A. K. Grzybowski, J. Phys. Chem. 62, 550(1958).
K. Schwabe and S. Ziegenbalg, Z. Elektrochem. 62, 172(1958).
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Partanen, J.I., Covington, A.K. Re-Evaluation of the Activity Coefficients of Aqueous Hydrochloric Acid Solutions up to a Molality of 2.0 Using Two-Parameter Hückel and Pitzer Equations. Part I. Results at 25°C. Journal of Solution Chemistry 31, 187–196 (2002). https://doi.org/10.1023/A:1015864724616
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DOI: https://doi.org/10.1023/A:1015864724616