Question

At 25 °C, an aqueous solution has an equilibrium concentration of 0.00147 M for a generic cation, A (aq), and 0.000735 M for a generic anion, B2–(aq). What is the equilibrium constant, Ksp, of the generic salt A2B(s)?

Answer 1

equilibrium constant- (0.00147)(0.000735)^2=7.94*10^-10

Answer 2

I don't believe the above answer is right. It should be
A2B ==> 2A^+ + B^2-
Ksp = (A^+)^2(B^2-) =
(0.00147)^2(0.000735) = ?

Answer 3

if that's so am sorry thanks for the correct answer pls help me with my ques as well