If the solubility product of PbS is 8 $\times$ 10$-$28, then the solubility of PbS in pure water at 298 K is x $\times$ 10$-$16 mol L$-$1. The value of x is __________. (Nearest Integer) [Given : $\sqrt2$ = 1.41]

Question

If the solubility product of PbS is 8 $\times$ 10^$-$28, then the solubility of PbS in pure water at 298 K is x $\times$ 10^$-$16 mol L^$-$1. The value of x is __________. (Nearest Integer)

[Given : $\sqrt2$ = 1.41]