| 
      
        | S    # | % of
                THF | Pameters    in mixed solvent system |  
        | Ksp x106    (M3) | ∆G (Kj/mole) | ∆ H (Kj/mole) | ∆S (J/mole) |  
        | 1 | 0 | 9.19±0.3 | 26.79±0.06 | -20.8±0.21 | -171±1.8 |  
        | 2 | 10 | 3.47±0.20 | 29.05±0.077 | -14.28±0.03 | -185.2±4.3 |  
        | 3 | 20 | 0.944±0.18 | 32.06±0.308 | -24.72±0.06 | -188±0.21 |  
        | 4 | 30 | 0.108±0.039 | 37.05±0.66 | -6.02±0.21 | -159±0.65 |  
        | 5 | 40 | 0.028±0.0013 | 41.64±0.210 | -38.41±0.01 | -278±0.599 |  
        | 6 | 50 | 0.000702±0.00022 | 48.71±1.45 | -9..205±0.31 | -232±3.21 |  |