Enter the solubility expression for Mg3(PO4)2(s) . 𝐾sp=

Answer 1

Mg₃(PO₄)₂(s) <==> 3Mg²⁺(aq) + 2PO₄^3-(aq)

Ksp = [Mg²⁺]³ [PO₄^3-]² This is the Ksp expression

If you want to put unknowns in the expression, it would look like this...

let x = [PO₄³]

then 1.5x = [Mg²⁺]

Ksp = (1.5x)³(x)²