Table 2: Experimental densities ( ) and refractive indices ( ) of potassium salt solutions in 10%, 20%, 40%, and 60% (v/v) ethanol + water (E-W) mixture at 303.15 K.

(g·cm−3) (g·cm−3) (g·cm−3)
KCl + E-WKBr + E-WKI + E-W

10% (v/v) E-W

0.0005790.99201.3390.0005730.99231.3400.0005710.99901.342
0.0011230.99561.3400.0009711.00301.3410.0011161.01411.344
0.0015961.00071.3410.0017451.01291.3430.0017301.02861.346

20% (v/v) E-W

0.0006450.97641.3460.0006050.98071.3450.0006180.98691.346
0.0012240.98221.3470.0012550.99171.3460.0011840.99931.349
0.0018760.98161.3480.0018771.00161.3490.0018481.01611.351

40% (v/v) E-W

0.0007480.94821.3540.0007330.95471.3540.0007370.96011.356
0.0015020.95151.3560.0014530.96381.3570.0014800.97531.359
0.0022180.95891.3570.0022410.97421.3590.0022320.98821.361

60% (v/v) E-W

0.0009260.90731.3610.0008880.91591.3600.0009140.92251.364
0.0018500.91211.3630.0018180.92581.3620.0018240.93561.366
0.0027770.91561.3640.0027710.93641.3650.0027380.95201.367