What is the minimum pH required to prevent the precipitation of ZnS in a solution which is 0.01 M `ZnCl_2` and saturated with 0.1 M `H_2S` ?
`K_(sp)" of " (ZnS)=10^(-21),K_(a_1)xxK_(a_2)(H_2S)=10^(-20)`

What is the minimum pH required to prevent the precipitation of ZnS in a solution that is 0.01 M ZnCl_(2) and saturated with 0.10 M H_(2)S ? ["Given" :K_(sp)=10^(-21),K_(a_1)xxK_(a_2)=10^(-20)]

What is the minimum pH required to prevent the precipitation of ZnS is a solution that is 0.01 M ZnCl_(2) and saturated with 0.10 M H_(2)S ? ["Given" :K_(sp)=10^(-21),K_(a_1)xxK_(a_2)=10^(-20)]

What is maximum pH required to prevent the precipitation of ZnS in a solution that is 0.01 M ZnCl_(2) and saturated with 0.10M H_(2)S ? [Given : K_(sp)(ZnS)=10^(-21), K_(a_(1))xxK_(a_(2)) (of H_(2)S )= 10^(-20) ]

What is the minimum pH required to prevent the precipitation of Zn^(+2) in a solution that is 0.01 M ZnCl_(2) and saturated with 0.1 M H_(2) S (Given : K_(sp) ZnS = 10^(-21) and Ka_(1) xx Ka_(2) of H_(2)S = 10^(-20) )