Ksp and Qsp Relationship
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7 Terms
Qsp
The reaction quotient for a solution at a given set of concentrations of ions.
Ksp
The solubility product constant, representing the equilibrium between a solid and its dissolved ions.
If Qsp is less than Ksp, what happens to the solution?
The reaction proceeds in the forward direction; the solution is not saturated and no precipitation occurs.
If Qsp is greater than Ksp, what happens to the solution?
The reaction proceeds in the reverse direction; the solution is supersaturated and precipitation occurs.
What ions must be present to establish equilibrium in an aqueous solution related to calcium carbonate?
Calcium ions (Ca2+) and carbonate ions (CO32–).
What is the significance of comparing Qsp to Ksp?
It helps predict the precipitation behavior in a solution.
What happens to ion concentrations when precipitation occurs?
The ion concentrations decrease until equilibrium is established (Qsp = Ksp).
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