chm1046 Chapter 16 Slides

# chm1046 Chapter 16 Slides - Solubility Product For solids...

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8/22/2010 1 Chapter 16 Aqueous Equilibria Solubility Product For solids dissolving to form aqueous solutions: Bi 2 S 3 ( s ) Æ 2Bi 3+ ( aq ) + 3S -2 ( aq ) K sp = solubility product constant and K sp = [Bi 3+ ] 2 [S 2- ] 3 Solubility Product 9 Solubility ( s ): the amount of a salt that can be dissolved in water 9 Note K is constant (at a given Note: sp is constant (at a given temperature) 9 s is variable (especially with a common ion present) Write the products and equilibrium expressions for the following dissolution rxns: a. Ba(OH) 2 (s) b. PbCO 3 (s) c. AgCrO 4 (s) d. Ca 3 (PO 4 ) 2 (s)

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8/22/2010 2 Calculate K sp for silver sulfate if its molar solubility is 1.5 x 10 -2 M Manganese sulfide (MnS) has a K sp = 2.3x10 -13 . Calculate its solubility. Solubility and the Common Ion Effect Adding a common ion to a solution shifts the equilibrium to the left in solubility equations (reduces the solubility) What is the solubility of silver chloride (K sp = 1.6x10
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chm1046 Chapter 16 Slides - Solubility Product For solids...

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