Fig. 1

Plots of density, \(\uprho \) vs molality, m for QUE [in A 30 v/v EtOH in 0.5 m NAM, B 40 v/v EtOH in 1.0 m NAM] and 7-HF [in C 30 v/v EtOH in 0.5 m NAM, D 40 v/v EtOH in 1.0 m NAM] at different temperatures