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Experimental data of the density, refractive index, viscosity, electrical conductivity, and pH of a copper (II) sulfate + poly(ethylene glycol) 4000 + water system were obtained at (288.15, 293.15, 298.15, 303.15, and 308.15) K over a wide composition range. Othmer’s rule was used to correlate the experimental data of the density, refractive index, and viscosity. The electrical conductivity data were...
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