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a) Pb3(PO4)2 is an ionic compound with very low solubility (ksp=1.0x10^-54. WEri

ID: 626438 • Letter: A

Question

a) Pb3(PO4)2 is an ionic compound with very low solubility (ksp=1.0x10^-54. WErite a balanced chemical equation to describe dissolving solid Pb3(PO4)2 in pure water. b) Pb2+ and OH- can combine to form the complex ion Pb(OH)3-. This compound has a formation constant,Kf, of 8x10^13. Write a balanced chemical equation to describe the formation of the complex ion. c) We can alter the solubility of Pb3(PO4)2 (in pure water) by adding aqueous OH- ions into solution. What is the balanced chemical equation that dexcribes the reaction between Pb3(PO4)2 and OH- d) What is the equilibrium constant for the reaction that would coour between Pb3)PO4(2 and OH-

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