What is the minimum pH required to prevent the precipitation of ZnS in – InterviewSolution

1.	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)
Answer» 0 1 2 4 Answer :B

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