Table 3: Experimental data for refractive index, water activity, and vapour pressure of aqueous solution of [HMIm]Br.

Conc.Refractive indexWater activityVapour pressure
kPa

01.3324281.0003.1686
0.00051.3324560.9993.1654
0.00151.3324830.9983.1623
0.001581.3324870.9983.1623
0.00281.3325280.9973.1591
0.00341.3325530.9963.1559
0.00431.3325930.9963.1559
0.00541.3326380.9953.1528
0.00791.3327370.9943.1496
0.00821.3327520.9943.1496
0.01011.3328320.9933.1464
0.01551.3330330.9913.1401
0.02311.3333080.9903.1369
0.03511.3337750.9873.1274
0.04341.3341070.9863.1242