A Comparasion between Physical Property of Binary Solution of Soft Water-Sodium Chloride and Hard Water-Sodium Chloride

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Abstract

In recent study, physical properties of binary solution of soft water-sodium chloride and hard water-sodium chloride are investigated. Among the physical properties, dencity, viscosity, refractive index and electrical conductivity of sodium chloride solutions (10-20% w/w) have been studied. The results showed that there is a direct linear relation in the range of 10%-20% w/w solution. Also the results showed that these differences are bigger in hard water.

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