Answer :
The solubility product is the equilibrium constant for the dissolution in a substance.
We know that the molar solubility of the salt x
For the salt AB(s) ⇄ A^+(aq) + B^-(aq)
[ A^+] = [B^-] = x
Ksp = [ A^+] [B^-] = x^2
For the salt AB2(s) ⇄ A^+(aq) + 2B^-(aq)
Ksp = [ A^+] [2B^-]^2 = [ x] [2x]^2 =4x^3
For the salt AB3(s) ⇄ A^+(aq) + 3B^-(aq)
Ksp = [ A^+] [3B^-]^3 = [ x] [3x]^3 = 27x^4
For the salt A3B2(s) ⇄ A^+(aq) + 3B^-(aq)
Ksp = [ 3A^+] [2B^-]^3 = [ 3x]^3 [2x]^2 = 108x^5
What is equilibrium constant?
- The equilibrium constant of a chemical reaction is the value of its reaction quotient at chemical equilibrium, the state to which a dynamic chemical system approaches after a sufficient period of time when its composition has no measurable tendency to change further.
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