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ChemistryEasyNumerical2022 · 29 Jul Shift 1

Q53.If the solubility product of PbS is 8 × 10−28 , then the solubility of PbS in pure water at 298 K is x × 10−16 mol L−1 . The value of x is____ (Nearest integer) [Given √2 = 1. 41]

What This Question Tests

This question tests the ability to calculate the solubility of a sparingly soluble salt from its given solubility product constant.

Concepts Tested

Solubility product (Ksp)Solubility (s)Stoichiometry of dissolution

Formulas Used

Ksp = s²

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