405CommonIon - in 100 mL of 0.15 M NaCl solution Data K...

Info icon This preview shows pages 1–3. Sign up to view the full content.

View Full Document Right Arrow Icon
Lesson 20 1 Lesson 20 Example 1 Ammonium hexachloroplatinate, (NH 4 ) 2 (PtCl 6 ) has a K sp of 5.6 × 10 6 mol 3 /L 3 at 20 o C. Compute its solubility in g/L of solution. Lesson 20 The common ion effect Lesson 20 (a) A clear saturated solution of PbI 2 (b) When KI is added, the common ion I - makes part of the Pb 2 I precipitate (yellow precipitate)
Image of page 1

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full Document Right Arrow Icon
Lesson 20 2 Lesson 20 Common ion effect Ag + , Cl - AgCl Ag + , Cl - , Na + AgCl +NaCl K sp = [Ag + ][Cl - ] [Cl - ] increases momentarily Q = [Ag + ][Cl - ] > K sp Ag + , Cl - , Na + AgCl AgCl precipitates to restore [Ag + ][Cl - ] to its equilibrium value, K sp Lesson 20 Example 2 Calculate the mass of AgCl that can dissolve
Image of page 2