0.2 millimoes of `Zn^(2+)` ion is mixed with `(NH_(4))_(2)` S of molarity 0.02 M. The amount of `Zn^(2+)` that remains uprecipitated in 20 mL of this solution would be :
(Given : `K_(sp) (ZnS)=4xx10^(-24))`
A. `5.2xx10^(-22) g`
B. `2.6xx10^(-22) g`
C. `2xx10^(-23) g`
D. none of these