International Scholarly Research Notices

Research Article

New Data on Activity Coefficients of Potassium, Nitrate, and Chloride Ions in Aqueous Solutions of KNO3 and KCl by Ion Selective Electrodes

Table 1

Individual activity coefficient and mean activity coefficient values of KNO3 solution.
m (mol/kg) γ ± (Expt.)γ ± (Hamer and Wu) [10]
0.00120.9850.9980.9910.964
0.00211.0151.0081.0110.95
0.0051.0030.9920.9970.924
0.0140.9961.0030.9990.896
0.0211.0170.980.9980.86
0.0530.960.9210.940.797
0.1090.9220.8710.8960.735
0.1910.7950.7950.7950.662
0.2890.7530.7640.7590.614
0.3870.6830.710.6970.577
0.5160.6560.650.6530.546
0.5850.6430.6130.6280.521
0.7170.6070.5720.590.498
0.7810.5890.5510.570.478
0.8970.5810.5250.5520.46
0.9950.5630.4860.5230.444
1.1750.550.4250.4830.415
1.3890.5280.3930.4550.39
1.5870.5190.3710.4390.369
1.7980.5150.3610.4310.35
1.9960.5120.3570.4270.332
2.4880.4940.330.4040.297
2.980.4760.3330.3980.269
3.490.4520.3230.3820.246