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Solubility Equilibria, Part II

  • The Common Ion effect is very pronounced for insoluble salts.
  • Certain salts become more soluble as the pH of the solution drops. This is just an application of Le Chatelier’s Principle.
  • Just as for regular Equilibrium, where we defined the Reaction Quotient Q, we have the analogous Qsp.
  • Qsp can be calculated with concentrations at any time, then compared to Ksp to decide if a precipitate will form.

Solubility Equilibria, Part II

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Advanced Placement Chemistry