S.No %  of solvent Ksp×106 (M3) values
Methanol- H2O Ethanol-H2O 1-propanol-H2O 2-propanol-H2O
1 0 7.423 ± 0.12 7.457 ± 0.10 7.434 ± 0.16 7.345 ± 0.11
2 1 7.400 ± 0.17 7.513 ± 0.10 7.069 ± 0.17 6.854 ± 0.10
3 2 7.423 ± 0.11 7.400 ± 0.11 7.345 ± 0.17 6.335 ± 0.08
4 3 7.412 ± 0.12 7.445 ± 0.08 7.423 ± 0.16 6.194 ± 0.09
5 4 7.178 ± 0.16 6.406 ± 0.07 6.335 ± 0.15 6.037 ± 0.09
6 5 6.437 ± 0.08 6.335 ± 0.09 6.285 ± 0.12 5.843 ± 0.09
7 6 6.234 ± 0.13 5.395 ± 0.07 5.377 ± 0.13 4.206 ± 0.06
8 10 5.748 ± 0.14 4.433 ± 0.08 4.361 ± 0.12 2.907 ± 0.04
9 15 5.350 ± 0.05 3.620 ± 0.06 3.091 ± 0.10 1.358 ± 0.04
10 20 4.054 ± 0.10 1.862 ± 0.04 1.567 ± 0.06 0.546 ± 0.02
11 25 3.422 ± 0.09 0.844 ± 0.02 0.436 ± 0.03 0.239 ± 0.01
Table 1: Effect of different mixed solvent systems on the Ksp×106 (M3) of Ca(OH)2 at 293 ± 1K.