(a) Given the Ksp of calcium phosphate, Ca3(PO4)2 is 1.3 ×10-32. Calculate the concentrations of Ca2+ and PO43- respectively.(b) If a hard water contains 75 mg/L of Ca2+, at what concentration of PO43− would a precipitate of Ca3(PO4)2 begin to appear?
(a) Given the Ksp of calcium phosphate, Ca3(PO4)2 is 1.3 ×10-32. Calculate the concentrations of Ca2+ and PO43- respectively.(b) If a hard water contains 75 mg/L of Ca2+, at what concentration of PO43− would a precipitate of Ca3(PO4)2 begin to appear?
Chemistry for Engineering Students
4th Edition
ISBN:9781337398909
Author:Lawrence S. Brown, Tom Holme
Publisher:Lawrence S. Brown, Tom Holme
Chapter12: Chemical Equilibrium
Section: Chapter Questions
Problem 12.107PAE
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(a) Given the Ksp of calcium phosphate, Ca3(PO4)2 is 1.3 ×10-32. Calculate the concentrations of Ca2+ and PO43- respectively.
(b) If a hard water contains 75 mg/L of Ca2+, at what concentration of PO4
3− would a precipitate of Ca3(PO4)2 begin to appear?
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