Final answer:
The correct solubility product expression for SrSO4 is Ksp = x^2, where x represents the molar solubility of SrSO4.
Step-by-step explanation:
The correct solubility product (Ksp) expression for SrSO4 is based on the dissociation of the compound in water:
SrSO4 → Sr2+ + SO42-
At equilibrium, if x represents the molar solubility of SrSO4, then [Sr2+] = x and [SO42-] = x as well because the stoichiometry of the dissociation is 1:1. The Ksp expression is the product of these concentrations:
Ksp = [Sr2+][SO42-] = x * x = x2
Therefore, the correct answer is c) Ksp = x2.