is a sparingly soluble salt of molar mass M (g/mol) and solubility x g/L. The solubility product satisfies . The value of a is (Integer answer)

Question

is a sparingly soluble salt of molar mass M (g/mol) and solubility x g/L. The solubility product satisfies . The value of a is  (Integer answer)

Canvas Classes · Accepted Answer

Step 1 — Dissociation of :

Molar solubility  mol/L

Step 2 — Write :

Step 3 — Substitute :

So

Answer: 108

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