Solubility and Complexation Equilibria. K sp Expressions.

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Presentation transcript:

Solubility and Complexation Equilibria

K sp Expressions

Which is more soluble? 1.CaCO 3 2.FeCO 3

Which is more soluble? 1.FeCO 3 2.CaF 2

Determining K sp Experimentally CaF 2 dissolves to an extent of g/L. What is the value of K sp for CaF 2, in mol/L?

Using K sp to predict solubility. What is the solubility of AgCl, in mol/L?

What is the solubility of PbCl 2, in mol/L?

What is the solubility of Fe(OH) 3, in mol/L?

Common Ion Effect: The presence of an ion common to a solubility equilibria will decrease solubility of the salt. What is the solubility of PbCl 2 in a M NaCl solution?

Is a Bronsted acid-base reaction also a Lewis acid-base reaction? 1.Yes 2.No

Which of the following can water NOT act as? 1.Bronsted acid 2.Bronsted base 3.Lewis acid 4.Lewis base

Complexation Reactions and Equilibria