17.4 Solubility and Ksp
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Ksp and Molar Solubility
Ksp is the equilibrium constant for an ionic solid dissociating into ions in water.
The molar solubility is the molar concentration of the solid that dissolves/dissociates in water. It is also equal to ‘x’ in an ICE table.
What is the molar solubility of AgCl? (Ksp = 1.8×10-10)
What is the molar solubility of Ag2S? (Ksp = 6.0×10-51)
The molar solubility of BiI3 is 1.32×10-5M. Calculate Ksp.
Which of the following salts has the highest solubility in water?
a) AgCl
b) AgBr
c) AgI
d) Ag2S
e) Co(OH)2
| Ksp | |
|---|---|
| AgCl | 1.8×10-10 |
| AgBr | 5.0×10-13 |
| AgI | 8.3×10-17 |
| Ag2S | 6.0×10-51 |
| Co(OH)2 | 1.3×10-15 |