Electric Conductance of Dilute Solutions of Lithium, Sodium and Potassium Chloride in Isopropanol-Water Mixtures

[摘要] The conductances of dilute solutions of LiCl, NaCl and KCl in a series of isopropanol-water mixtures were determined at 30¡É. The values of equivalent conductance agreed well with Debye-Huckel-Onsager equation and the limiting equivalent conductance was greatly reduced as the isopropanol content of the solvent was increased in accord with predictions based on solvent viscosity and dielectric properties. Also, the limiting equivalent conductance increased in sequence ¥Ë0,LiCl < ¥Ë0,NaCl < ¥Ë0,KCl in 0.0, 0.1 and 0.2 mole fraction isopropanol, but ¥Ë0,LiCl < ¥Ë0,KCl < ¥Ë0,NaCl in 0.3 mole fraction ispropanol. The maximum Walden product, ¥Ë0¥ç0 was found in 0.1 mole fraction isopropanol for all electrolytes.

[学科分类] 化学（综合）