A hypothetical ionic substance T3U2 ionizes to form T2+ and U3- ions. The solubility of T3U2 is 4.04x10-20 mol/L. What is the value of the solubility-product constant?
a) 1.08x10^-97
b) 1.16 x 10^-95
c) 1.63x10^-39
d) 9.79x10^-39
Answer: b) 1.16 x 10^-95