THERMODYNAMICS OF ION ASSOCIATION IN THE SATURATED SOLUTION OF THE MIXED SOLVENT (METHANOL+WATER) AND ION PAIRING AT 25.0OC

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AGHAIE M.; MORADIAN S.

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Journal: JOURNAL OF PHYSICAL AND THEORETICAL CHEMISTRY Year:2012 | Volume:9 | Issue:1 Page(s): 35-39

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Title

THERMODYNAMICS OF ION ASSOCIATION IN THE SATURATED SOLUTION OF THE MIXED SOLVENT (METHANOL+WATER) AND ION PAIRING AT 25.0OC

Author(s)

AGHAIE M. | MORADIAN S. | Issue Writer Certificate

Keywords

SOLUBILITYQ2

ION-PAIRQ2

THERMODYNAMICQ2

SOLUBILITY PRODUCT CONSTANTQ2

MIXED SOLVENTQ2

Abstract

In this study, the ion association phenomenon in the saturated solution of KCl in the MIXED SOLVENT (methanol+water) was studied. The SOLUBILITY of this compound in the MIXED SOLVENT (methanol+ water by value percent of methanol=60%), and in the presence of various molarities of NaNO3 was determined by the solvent evaporation method at 25.0oC. The results enable us to estimate the value of THERMODYNAMIC SOLUBILITY product, Ksp (th), of KCl in the MIXED SOLVENT upon the extrapolation method (Ksp (th)=0.1356). Although the model SOLUBILITY product, Ksp (m), was calculated upon the semi theoretical semi experimental Debey-Huckle theory shows (Ksp (m)=0.2308). Comparing the values of Ksp (th) and Ksp (m) with the concentration SOLUBILITY product, (Ksp (c)=0.5537), we can see that the differences are noticeable.We assume that, part of the differences comes from non-ideality and the other part from ion association phenomenon.

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APA: Copy

AGHAIE, M., & MORADIAN, S.. (2012). THERMODYNAMICS OF ION ASSOCIATION IN THE SATURATED SOLUTION OF THE MIXED SOLVENT (METHANOL+WATER) AND ION PAIRING AT 25.0^OC. JOURNAL OF PHYSICAL AND THEORETICAL CHEMISTRY, 9(1), 35-39. SID. https://sid.ir/paper/207669/en

Vancouver: Copy

AGHAIE M., MORADIAN S.. THERMODYNAMICS OF ION ASSOCIATION IN THE SATURATED SOLUTION OF THE MIXED SOLVENT (METHANOL+WATER) AND ION PAIRING AT 25.0^OC. JOURNAL OF PHYSICAL AND THEORETICAL CHEMISTRY[Internet]. 2012;9(1):35-39. Available from: https://sid.ir/paper/207669/en

IEEE: Copy

M. AGHAIE, and S. MORADIAN, “THERMODYNAMICS OF ION ASSOCIATION IN THE SATURATED SOLUTION OF THE MIXED SOLVENT (METHANOL+WATER) AND ION PAIRING AT 25.0^OC,” JOURNAL OF PHYSICAL AND THEORETICAL CHEMISTRY, vol. 9, no. 1, pp. 35–39, 2012, [Online]. Available: https://sid.ir/paper/207669/en

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