JEE Main Chemistry question
The volume of water needed to dissolve 1 g of BaSO₄ (Ksp=1.1×10⁻¹⁰) at 25°C is:
Answer: (B)
Solution
mol=1/233=4.29×10⁻³; s=√Ksp=1.05×10⁻⁵ M; volume=4.29×10⁻³/1.05×10⁻⁵≈410 L.
The volume of water needed to dissolve 1 g of BaSO₄ (Ksp=1.1×10⁻¹⁰) at 25°C is:
mol=1/233=4.29×10⁻³; s=√Ksp=1.05×10⁻⁵ M; volume=4.29×10⁻³/1.05×10⁻⁵≈410 L.