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What is the minimum pH required to preve...

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)]`

A

4

B

3

C

2

D

1

Text Solution

Verified by Experts

The correct Answer is:
D
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