Protonation and Solvation Thermodynamics of Some Naphthol Derivatives in KCl Aqueous Solution of Different Ionic Strengths
Table 5
Total molal solubilities , mol/kg−1 (or molal solubilities of neutral species, , mol/kg−1), of L1 and L2 at different ionic strength in aqueous KCl and at different temperatures.
Ligand
293.15 K
298.15 K
303.15 K
308.15 K
313.15 K
L1
0.000
9.572 (9.530)
10.106 (10.092)
10.563 (10.544)
11.175 (11.168)
11.705 (11.695)
0.010
9.333
9.772
10.233
10.965
11.220
0.250
8.709
9.333
9.772
10.233
10.965
0.950
6.309
6.607
6.761
7.244
7.586
1.900
3.890
4.169
4.365
4.467
4.786
2.300
3.236
3.388
3.548
3.715
3.802
3.100
2.399
2.512
2.570
2.754
2.884
−0.198
−0.199
−0.200
−0.201
−0.202
L2
0.000
1.212 (1.219)
1.259 (1.265)
1.316 (1.321)
1.379 (1.384)
1.442 (1.449)
0.460
1.047
1.072
1.122
1.175
1.230
0.500
1.000
1.047
1.096
1.148
1.202
0.940
0.891
0.933
0.977
1.023
1.096
1.500
0.758
0.794
0.832
0.871
0.912
2.000
0.575
0.603
0.631
0.661
0.692
2.100
0.525
0.575
0.603
0.631
0.661
3.200
0.407
0.427
0.447
0.468
0.489
−0.153
−0.151
−0.151
−0.150
−0.149
Values in parentheses are the total molal solubilities at infinite dilution (() or ()) estimated from the extrapolation of the plot of versus to zero .
