1) Hydroxylapatite, Ca10(PO4)6(OH)2, has a solubility constant of Ksp = 2.34 × 10-59, and dissociates according...

1) Hydroxylapatite, Ca10(PO4)6(OH)2, has a solubility constant of Ksp = 2.34 × 10-59, and dissociates according to Ca10(PO4)6OH2 <======> 10Ca(2+) + 6PO4(3-) + 2OH-

Solid hydroxylapatite is dissolved in water to form a saturated solution. What is the concentration of Ca2 in this solution if [OH–] is somehow fixed at 1.20 × 10-6 M?

2) Determine the concentration of an HBr solution if a 40.00 mL aliquot of the solution yields 0.6828 g AgBr when added to a solution with an excess of Ag ions. The Ksp of AgBr is 5.0 × 10–13.

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queen_honey_blossom answered 2 years ago

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