How QSP and KSP are used to determine if a precipitate will form or not?

the ions are forming a precipitate just as fast as the Solid is dessduing the solution is saturated. a precipitate will form and will continue to form until the concentration of ions in the solution decrease to such a point that Qsp = Ksp. when the system is at equilibrium.

How KSP is related to precipitation?

1) If Solubility product is larger than the ionic product then no precipitate will form on adding more solute because unsaturated solution is formed. 2) If Solubility product is smaller than the ionic product then excess solute will precipitate out because of the formation of super saturated solution.

Does a precipitate form when QSP is greater than KSP?

Ï Qsp must equal to or greater than Ksp for precipitation to occur. If Qsp < Ksp, then the reaction proceeds toward products. (i.e. to the right, ˆˆ no precipitation) If Qsp > Ksp, then the reaction proceeds to form reactants. If Qsp = Ksp, then the system reaches equilibrium.

Which will precipitate first based on KSP?

When two anions form slightly soluble compounds with the same cation, or when two cations form slightly soluble compounds with the same anion, the less soluble compound (usually, the compound with the smaller Ksp) generally precipitates first when we add a precipitating agent to a solution containing both anions (or …

How do you predict if a precipitate will form?

If the rules state that an ion is soluble, then it remains in its aqueous ion form. If an ion is insoluble based on the solubility rules, then it forms a solid with an ion from the other reactant. If all the ions in a reaction are shown to be soluble, then no precipitation reaction occurs.

What is the difference between QSP and KSP?

Ksp is the solubility product constant and Qsp is the solubility product quotient. The key difference between Ksp and Qsp is that Ksp indicates the solubility of a substance whereas Qsp indicates the current state of a solution.

When QSP KSP The solution is saturated and a precipitate is present?

If the Qsp value is less than the Ksp for a substance in a solution, more solids can be dissolved in that solution. When the Qsp and Ksp have equal values, then the solution has become saturated. If the Qsp is higher than the value of Ksp, a precipitate is formed.

Does a lower KSP precipitate first?

If the solution contained about equal concentrations of Cl– and I–, then the silver salt with the smallest Ksp (AgI) would precipitate first. The concentrations are not equal, however, so we should find the [Ag+] at which AgCl begins to precipitate and the [Ag+] at which AgI begins to precipitate.