Chem 2/5 Lab FS 98
#400, Solubility Constant
Postlab

Name:

Section:


1.(1) Write the balanced solubility equilibrium reaction between PbSO4 
solid and its ions in solution. Be sure to label the phases.  
(1pt)










(2) Write the expression of solubility product constant (Ksp) for PbSO4. 
(2pts)











(3) Given Ksp = 2.4 x 10^-7 for PbSO4 at 20 C, what is the solubility of PbSO4 
in grams/milliliter? 
(2pts)