Silver chloride, AgCl (Ksp = 1.8x10⁻¹⁰), with silver chromate, Ag₂CrO₄ (Ksp = 2.6x10⁻¹²). Which has greater solubility?
a) AgCl
b) Ag₂CrO₄
c) Both have equal solubility
d) Insufficient information to determine