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Ionic Equilibrium

Section: Chemistry

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Question : 7 of 19

Marks: +1, -0

An acidified solution of 0.05 M Zn‌2+ is saturated with 0.1 M H2S . What is the minimum molar concentration (M) of H‌+ required to prevent the precipitation of ZnS?
Use Ksp(ZnS)=1.25×10–22 and overall dissociation constant of H2S,KNET=K1K2 =1×10–21 .

[JEE Adv 2020 P2]

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