The solubility product of BaSO4 at 25∘ C is 1.0 × 10−9. What would be
the concentration of H2SO4 necessary to precipitate BaSO4 from a solution
of 0.01M Ba2+ ions ?
The Ksp of Ag2CrO4 is 1.1×10−12 at 298K. The solubility (in mol/L) of Ag2CrO4 in 0.1M AgNO3 solution is: