The relationship between the molar solubility in water, s, and Ksp for the ionic solid Fe(OH)2 is
Ksp = s
Ksp = 4s3
Ksp = s3
Ksp = 2s2
For AB2 type salt, Ksp = 4s3 where s is solubility in m/l
What is the molar solubility (s) of Ba3(PO4)2 in terms of Ksp?