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JEE Main Chemistry question

ChemistryEquilibriumJEE Main

of is and mol/L. Up to what pH must a solution containing a precipitate of be adjusted, so that all of the precipitate dissolves?

Answer: 4.3

Solution

For complete dissolution, . At the boundary:

0.1× = 8× ⇒ = 8×

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Question ID VK-136605