\(K_{sp}= (3S)^3 \times (3S)^3 \times (2S)^2\)
\(K_{sp}\) = \(29165_8\)
(આપેલ $CaF _{2}$ નું મોલર દળ = $78 \,g mol ^{-1}$ )
$(i)\, CO_2 + H_2O $ $\rightleftharpoons$ $ H_2CO_3 (ii) NH_3+ H_2O $ $\rightleftharpoons$ $ NH_4OH (iii) HCl + H_2O$ $\rightleftharpoons $ $ Cl^-+ H_3O^+$