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17 June, 02:13

For which salt should the aqueous solubility be most sensitive to ph?

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  1. 17 June, 02:30
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    The salt that its aqueous solubility most sensitive to pH would be calcium fluoride (CaF2). It is an insoluble salt which when reacted with an acid, it yields this equation:

    CaF2 (s) + 2 HX (aq) → 2 HF (aq) + CaX2 (aq)

    Since it produces H + and and OH - when combined with water, it is therefore sensitive to pH.
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