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13 January, 18:48

Using a value of Ksp = 1.8 x 10-2 for the reaction PbCl2 Pb+2 (aq) + 2Cl - (aq). If the value of Ksp was determined to be only 1.2 x 10-2: Too much solid has dissolved. Additional precipitate is forming. The solution is unsaturated. The ions are now combining to reduce their concentrations.

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  1. 13 January, 19:13
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    The ions are now combining to reduce their concentrations.

    Explanation:

    For the chemical equation:

    PbCl₂ (s) ⇄ Pb²⁺ (aq) + 2Cl⁻ (aq),

    It is mentioned that the value of Ksp is 1.8 * 10⁻².

    ∵ The solubility product is lower for this reaction that means the ions produced are getting combined.

    ∴ Resulting in reducing the concentration of the ions and increasing the formation of the solid lead chloride.

    So, The ions are now combining to reduce their concentrations.
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