S.No %  of solvent Ksp×106 (M3) values
Methanol- H2O* Ethanol-H2O 1-propanol-H2O 2-propanol-H2O
1 0 6.748 ± 0.15 6.185 ± 0.05 6.386 ± 0.12 6.335 ± 0.09
2 1 6.801 ± 0.19 6.285 ± 0.05 6.365 ± 0.14 5.468 ± 0.12
3 2 6.695 ± 0.20 6.037 ± 0.07 6.335 ± 0.15 5.359 ± 0.09
4 3 6.737 ± 0.22 6.234 ± 0.09 6.027 ± 0.16 5.305 ± 0.08
5 4 6.335 ± 0.11 6.037 ± 0.08 5.939 ± 0.14 5.110 ± 0.07
6 5 5.939 ± 0.20 5.939 ± 0.08 5.939 ± 0.13 4.894 ± 0.08
7 6 5.422 ± 0.11 5.110 ± 0.07 5.377 ± 0.14 4.054 ± 0.06
8 10 5.110 ± 0.13 4.283 ± 0.06 3.761 ± 0.10 3.381 ± 0.06
9 15 4.851 ± 0.12 3.551 ± 0.06 2.299 ± 0.08 1.394 ± 0.03
10 20 4.054 ± 0.12 1.732 ± 0.03 1.376 ± 0.06 0.526 ± 0.02
11 25 2.506 ± 0.05 0.719 ± 0.02 0.371 ± 0.03 0.217 ± 0.01
*328 ± 2K in case of methanol
Table 2: Effect of different mixed solvent systems on the Ksp×106 (M3) of Ca(OH)2 at 343 ± 1K.