Abstract

Abstract A systematic investigation of viscosity from 1.00 m. to saturation of aqueous solutions of potassium chloride at temperatures of 30, 35, 40, 45, 50 and 55°C has been made. New concepts of concentration and viscosity have been defined. At a given molal concentration the ratio of the mole-fraction at that concentration to that at saturation at the same temperature has been called concentration potential Cp. The newly denned viscosity term ηp is the ratio of the viscosity at a given concentration to that at saturation at the same temperature. Using these two quantities the variation of viscosity with concentration could be expressed for potassium chloride solutions by a simple exponential equation: η_p=A e^BC_p where A and B are constants.

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