Solubility Lesson 3 Calculating Ksp. The Molar Solubility is the molarity required to saturate or fill the solution at any given temperature.

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Solubility Lesson 3 Calculating Ksp

The Molar Solubility is the molarity required to saturate or fill the solution at any given temperature.

The Molar Solubility is the molarity required to saturate of fill the solution at any given temperature. 1.The solubility (s) of BaCO 3 is 5.1 x C. Calculate the solubility product or Ksp.

The Molar Solubility is the molarity required to saturate of fill the solution at any given temperature. 1.The solubility (s) of BaCO 3 is 5.1 x C. Calculate the solubility product or Ksp. Ba 2+ CO 3 2- BaCO 3(s)

The Molar Solubility is the molarity required to saturate of fill the solution at any given temperature. 1.The solubility (s) of BaCO 3 is 5.1 x C. Calculate the solubility product or Ksp. BaCO 3(s) ⇌ Ba 2+ + CO 3 2- Ba 2+ CO 3 2- BaCO 3(s)

The Molar Solubility is the molarity required to saturate of fill the solution at any given temperature. 1.The solubility (s) of BaCO 3 is 5.1 x C. Calculate the solubility product or Ksp. BaCO 3(s) ⇌ Ba 2+ + CO 3 2- s s s Ba 2+ CO 3 2- BaCO 3(s)

The Molar Solubility is the molarity required to saturate of fill the solution at any given temperature. 1.The solubility (s) of BaCO 3 is 5.1 x C. Calculate the solubility product or Ksp. BaCO 3(s) ⇌ Ba 2+ + CO 3 2- s s s Ksp = [Ba 2+ ][CO 3 2- ] Ba 2+ CO 3 2- BaCO 3(s)

The Molar Solubility is the molarity required to saturate of fill the solution at any given temperature. 1.The solubility (s) of BaCO 3 is 5.1 x C. Calculate the solubility product or Ksp. BaCO 3(s) ⇌ Ba 2+ + CO 3 2- s s s Ksp = [Ba 2+ ][CO 3 2- ] Ksp = [s][s] Ba 2+ CO 3 2- BaCO 3(s)

The Molar Solubility is the molarity required to saturate of fill the solution at any given temperature. 1.The solubility (s) of BaCO 3 is 5.1 x C. Calculate the solubility product or Ksp. BaCO 3(s) ⇌ Ba 2+ + CO 3 2- s s s Ksp = [Ba 2+ ][CO 3 2- ] Ksp = [s][s] Ksp = s 2 Ba 2+ CO 3 2- BaCO 3(s)

The Molar Solubility is the molarity required to saturate of fill the solution at any given temperature. 1.The solubility (s) of BaCO 3 is 5.1 x C. Calculate the solubility product or Ksp. BaCO 3(s) ⇌ Ba 2+ + CO 3 2- s s s Ksp = [Ba 2+ ][CO 3 2- ] Ksp = [s][s] Ksp = s 2 Ksp = (5.1 x ) 2 Ba 2+ CO 3 2- BaCO 3(s)

The Molar Solubility is the molarity required to saturate of fill the solution at any given temperature. 1.The solubility (s) of BaCO 3 is 5.1 x C. Calculate the solubility product or Ksp. BaCO 3(s) ⇌ Ba 2+ + CO 3 2- s s s Ksp = [Ba 2+ ][CO 3 2- ] Ksp = [s][s] Ksp = s 2 Ksp = (5.1 x ) 2 Ksp = 2.6 x Ba 2+ CO 3 2- BaCO 3(s)

Ksp Solubility Product Special Keq Saturated solutions No Units Only Changes with Temperature

2.The solubility of PbBr 2 is C. Calculate the Ksp. dissociation equation PbBr 2(s) ⇌ Pb Br - solubility ss2s equilibrium expressionKsp = [Pb 2+ ][Br - ] 2 substitute & solveKsp = [s][2s] 2 Ksp = 4s 3 Ksp = 4(0.012) 3 Ksp = 6.9 x Note that the Br - is doubled and then squared!

3.If g of Fe 2 (CO 3 ) 3 is required to saturate mL of solution. What is the solubility product? Fe 2 (CO 3 ) 3 ⇌ 2Fe 3+ +3CO 3 2- s2s3s s= g x 1 mole g L =8.333 x M Ksp = [Fe 3+ ] 2 [CO 3 2- ] 3 Ksp = [2s] 2 [3s] 3 Ksp = 108s 5 Ksp = 108(8.333 x ) 5 Ksp = 4.34 x

4.A mL sample of a saturated solution of Mg(OH) 2 weighs g. When the beaker containing the solution is evaporated to dryness it weighs g. The mass of the empty beaker is g. Calculate the Ksp. Mass of Beaker + Mg(OH) g -Mass of Beaker g Mass of Mg(OH) gnote sig figs s= gx1 mole 58.3 g L = x M Mg(OH) 2 ⇌ Mg OH - ss2s Ksp=[Mg 2+ ][OH - ] 2 = [s][2s] 2 = 4s 3 =4( x ) 3 =5.5 x