JEE Main Chemistry question
Ksp=1.2×10⁻⁵ of M₂SO₄ (M⁺ is monovalent metal ion) at 298 K. The maximum concentration of M⁺ ions that could be attained in a saturated solution of this solid at 298 K is:
Answer: (C)
Solution
Ksp=(2s)²(s)=4s³=1.2×10⁻⁵; s=1.44×10⁻²; [M⁺]=2s=2.88×10⁻² M.