An acidified solution of 0.05 M Zn ^ 2+ is saturated with 0.1 M H _2 S . What is the minimum molar...

Question

An acidified solution of 0.05 M Zn ^ 2+ is saturated with 0.1 M H _2 S . What is the minimum molar concentration (M) of H ^+ required to prevent the precipitation of ZnS? Use K_ sp ( ZnS ) = 1.25 10^ -22 and overall dissociation constant of H _2 S , K_ NET = K_1K_2 = 1 10^ -21 .

Accepted Answer

0.2

JEE Advanced 2020 Chemistry question

Solution

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