Abstract

The solubility of helium, neon, and argon in butyric acid and its mixtures with water has been studied throughout the entire range of concentrations, and the velocity of ultrasonic waves and the adiabatic compressibility at t = 25~ have been determined. It has been found that the dependence of these properties on the composition of the mixed solvent and temperature is characterized hy the presence of extremal points. From these it has been concluded that the structure of water is stabilized by the addition of butyric acid at Nacid 0.05. From the results obtained it follows that the dissolution of the noble gases increases the strength of the structure of the solvent. These regular features are confirmed by the nature of the change in the thermodynamic characteristics of the dissolution of the noble gases in aqueous solutions of butyric acid with change in composition.

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