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Which of the following will be more soluble in acid solution than in water? ?

a) BaSO4 b) AgI c) FeS

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  • 2 days ago
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    a) BaSO4 and  c) FeS

    In both cases, the original anion can be protonated by acids which will shift the solubility equilibria to the right, increasing the solubility.

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