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 2

Individual activity coefficient and mean activity coefficient values of KCl solution.
m (mol/kg) γ ± (Expt.)γ ± (Hamer and Wu) [10]
0.0010.9980.9620.980.965
0.0021.0060.9570.9810.951
0.0050.9980.9260.9610.927
0.0110.9020.950.901
0.02010.9850.8580.9190.869
0.050.9720.7950.8790.816
0.09820.970.7470.8510.768
0.19830.9380.6740.7950.717
0.30490.9010.620.7470.687
0.39990.9040.6020.7380.665
0.50010.8960.5820.7220.649
0.60320.8850.5630.7060.636
0.70030.8840.5540.70.626
0.79960.880.5440.6920.617
0.89680.8790.5370.6870.61
0.99260.880.5320.6840.604
1.18990.8750.5210.6750.594
1.38440.8740.5130.6690.586
1.58170.8710.5060.6640.58
1.79230.8630.4980.6560.576
1.98950.8630.4950.6540.573
2.50390.8570.4870.6460.568
2.98370.8650.4920.6530.568
3.49820.8650.4950.6540.571
3.9940.8710.5030.6620.576
4.48970.880.5150.6730.584
4.79090.8840.5230.680.589
4.99080.8880.5280.6850.593