1. Determine the volume of water is required to completely dissolve the 100 g of AgBr (Ksp = 5 ×10-13, 187.8 g/mol)?
2. What is the Ksp of lead(II) sulfate when a saturated solution of lead(II) sulfate can be prepared by diluting the 0.0101 g of PbSO4 to 250 mL.