The Ksp for silver(I) phosphate is 1.8 × 10^–18. Determine the silver ion concentration in a saturated solution of silver(I) phosphate

Answer 1

..................Ag3PO4 ==> 3Ag^+ + [PO4]^3-
I.................solid.................0...............0
C................solid.................3x.............x
E................solid..................3x.............x

Ksp = (Ag^+)^3[PO4]^3-
Plug the E line into the Ksp expression above and solve for x = solubility Ag3PO4 in mols/L
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