CH302_021011 - Solubility Our start in adventures in...

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Principles of Chemistry II © Vanden Bout Solubility Our start in adventures in Aqueous Equilibria
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Principles of Chemistry II © Vanden Bout Sea Shells are essentially Calcium Carbonate crystals held together by proteins Given this information what do you think equilibrium constant will be for this reaction? A. a number much much less than 1 B. a number approximately equal to 1 C. a number much much larger than 1 CaCO 3 (s) Ca 2+ (aq) + CO 3 2- (aq)
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Principles of Chemistry II © Vanden Bout We will be mostly dividing substances up Strong Electrolyte Weak Electrolyte
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Principles of Chemistry II © Vanden Bout Rock Demo
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Principles of Chemistry II © Vanden Bout Rock Demo [Ca 2+ ] = [Ca 2+ ] = How much of the rock dissolved?
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Principles of Chemistry II © Vanden Bout How much is very small? Solubility Equilibria CaCO 3 (s) Ca 2+ (aq) + CO 3 2- (aq) K sp =
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Principles of Chemistry II © Vanden Bout Solubility is given in practical units Molar Solubility Moles of solute that will dissolve in 1 L of sovlent (water)
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Principles of Chemistry II © Vanden Bout Solubility is given in practical units Molar Solubility Moles of solute that will dissolve in 1 L of sovlent (water) Solubility grams of solute that will dissolve in 1 L of sovlent (water)
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Principles of Chemistry II © Vanden Bout What is the solubility of AgCl ? AgCl (s) Ag + (aq) + Cl - (aq) K sp = [Ag + ][Cl - ] = 1.8 x 10 -10 Reaction Initial Change Equilibrium AgCl (s) Ag + (aq) + Cl - (aq)
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Principles of Chemistry II © Vanden Bout What is the solubility of AgCl? K sp = [Ag + ][Cl - ] = 6 x 10 -9 Reaction Initial Change Equilibrium AgCl (s) Ag + (aq) + Cl - (aq) 0 0 +x +x +x +x K sp = [Ag + ][Cl - ] =
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© Vanden Bout What is the solubility of AgCl? K
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This note was uploaded on 03/27/2011 for the course CHEM 302 taught by Professor Mccord during the Spring '10 term at University of Texas at Austin.

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CH302_021011 - Solubility Our start in adventures in...

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