Dependence of the volume characteristics and viscosity of solutions of methanol-octane-naphthalene on composition at 25°C

Abstract

The limiting solubility of naphthalene in a mixture of methanol-octane at 25°C is determined via isothermal saturation. The kinematic viscosity of a mixture of methanol-octane-naphthalene is measured at 25°C. Data on the density of triple mixtures of methanol-octane-naphthalene, used to calculate the par tial and apparent molar volumes of naphthalene, are obtained with a high degree of accuracy. The obtained results are discussed in terms of the interactions that occur in solution.

Density and Viscosity of N-Methylacetamide–Calcium Chloride Mixtures over the Temperature Range from 308.15 to 328.15 K at Atmospheric Pressure

“…The apparent molar volumes of calcium chloride were computed by applying the following equation: 16 ρ ρ…”

“…The apparent molar volumes of calcium chloride were computed by applying the following equation: where ρ is the mixture density, kg·m –3 ; ρ 0 is the density of NMA, kg·m –3 ; M 2 is the molecular weight of CaCl 2 , kg·mol –1 ; m is the molality of CaCl 2 , mol·kg –1 ; and V φ is the apparent molar volume of CaCl 2 , m 3 ·mol –1 .…”