Table 1: Experimental densities ( ) and refractive indices ( ) of pure solvents and 10%, 20%, 40%, and 60% (v/v) ethanol + water binary mixtures at 303.15 K.

(g·cm−3)

Ethanol0.80541.362
Water0.99571.333
10% (v/v) E-W0.98511.332
20% (v/v) E-W0.97021.343
40% (v/v) E-W0.94301.352
60% (v/v) E-W0.90631.360