JEE Main Chemistry question
How many gram of CaC₂O₄ will dissolve in one litre of saturated solution? Ksp of CaC₂O₄ is 2.5×10⁻⁹ M² and its molecular weight is 128:
Answer: (A)
Solution
s=√Ksp=5×10⁻⁵ M; mass=5×10⁻⁵×128=0.0064 g.
How many gram of CaC₂O₄ will dissolve in one litre of saturated solution? Ksp of CaC₂O₄ is 2.5×10⁻⁹ M² and its molecular weight is 128:
s=√Ksp=5×10⁻⁵ M; mass=5×10⁻⁵×128=0.0064 g.