Table 1

(mol-g/dm³)	(mol-g/dm³)	D'	pH	(mol-g/dm³)
1.88	3.12	0.60	4.52	0.05
1.89	3.11	0.61	4.30	0.10
1.91	3.09	0.62	4.18	0.15
1.99	3.01	0.66	4.05	0.25
2.05	2.95	0.70	3.91	0.35
2.09	2.91	0.72	3.80	0.50

Table 1: Equilibrium data of (CuSO₄ + lauric acid + benzene) at 298.2 K: influence of luaric acid concentration. C_cu,initial = 5×10^-3 M , CNa₂SO₄ = 0.1 M (14.204 g/dm³).