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Solubility Product Constant

Solubility Product Constant. Chemistry Mrs. Coyle. Solubility Equilibrium. AgCl(s) ↔ Ag + (aq) + Cl - (aq) The concentration of AgCl (s) is constant and AgCl is a strong electrolyte (dissociates almost completely), so K sp = [Ag + ] [Cl - ] K sp is the solubility product constant.

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Solubility Product Constant

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  1. Solubility Product Constant Chemistry Mrs. Coyle

  2. Solubility Equilibrium AgCl(s) ↔ Ag+ (aq) + Cl- (aq) The concentration of AgCl (s) is constant and AgCl is a strong electrolyte (dissociates almost completely), so Ksp= [Ag+] [Cl-] Ksp is the solubility product constant

  3. Note • The larger the Ksp the larger the solubility of the compound. (This comparison can be made when the ion ratios are equal). • Ex. Of the following, which is more soluble? • AgCl Ksp= 1.8x10-10 • AgI Ksp= 8.3x10-17

  4. Example: • Write the Ksp for: • CuS • BaSO4 • SrCO3 • AgI

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