First slide
Solubility product(KSP)
Question

If the solubility of Lithium sodium hexafluoro aluminate Li3Na3(AlF6)2 is 'a' mole/litre, its solubility product is equal to

Easy
Solution

\large \mathop {L{i_3}N{a_3}{{\left( {Al{F_6}} \right)}_2}}\limits_a \xrightarrow{{}}\mathop {3L{i^ + }}\limits_{3a} \left( {aq} \right) + \mathop {3N{a^ + }}\limits_{3a} \left( {aq} \right) + \mathop {2AlF_6^{ - 3}\left( {aq} \right)}\limits_{2a}

\large K_{sp}=\left ( 3a \right )^{3}\times\left ( 3a \right )^{3}\times \left ( 2a \right )^{2}=2916a^{8}

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