દ્ર્વ્યતા \( = \,\,{\text{2}}\,\, \times \,\,{\text{1}}{{\text{0}}^{{\text{ - 3}}}}\,mole/lit.\)
\(\therefore \,\,{K_{sp}}\) of \(BaS{O_4}\, = \,\) દ્ર્વ્યતા\(^{2}\)
\( = \,\,{(2\,\, \times \,{10^{ - 3}})^2}\, = \,\,4\,\, \times \,{10^{ - 6}}\)
$Pt | H_2\,(g) | H^{+}_{(aq)} (10^{-8}\, M) | | H^{+}_{(aq)} (0.001\,M) | H_2\,(g) | Pt$