Abstract

The authors have used a flow densimeter to measure the densities of aqueous solutions of NiCl/sub 2/, Ni(ClO/sub /)/sub 2/, CuCl/sub 2/, and Cu(ClO/sub 4/)/sub 2/ at 10/sup 0/C intervals from 15 to 55/sup 0/C. Infinite dilution apparent molal volumes are determined at each temperature by using the Redlich-Meyer equation. These values are fitted to the polynomial Phi/sub upsilon/ = a + bt + ct/sup 2/. The Pitzer formalism has been used to fit the volume data over the entire concentration range (0-3.5 m).

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