Why do Ksp values differ?

K s p represents how much of the solute will dissolve in solution. The value of K s p varies depending on the solute. The more soluble a substance is, the higher its K s p chemistry value.

Which change will affect the KSP value?

The Ksp is temperature dependent, so heating or cooling the solution can affect the Ksp.

Does a higher KSP precipitate first?

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 …

What do KSP values mean?

The solubility product constant, Ksp​, is the equilibrium constant for a solid substance dissolving in an aqueous solution. It represents the level at which a solute dissolves in solution. The more soluble a substance is, the higher the Ksp value it has.

How do you compare values in KSP?

The relative MOLAR solubility of salts (saturated solution) can be determined by comparing Ksp values. The greater the Ksp the more ions are in solution, hence the greater the molar solubility. However, you can only directly compare salts that give equivalent numbers of ions in solution.

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Why does equilibrium constant change with temperature?

The only thing that changes an equilibrium constant is a change of temperature. … That means that if you increase the pressure, the position of equilibrium will move in such a way as to decrease the pressure again – if that is possible. It can do this by favoring the reaction which produces the fewer molecules.

What 4 factors affect solubility?

Factors affecting solubility

  • Temperature. Basically, solubility increases with temperature. …
  • Polarity. In most cases solutes dissolve in solvents that have a similar polarity. …
  • Pressure. Solid and liquid solutes. …
  • Molecular size. …
  • Stirring increases the speed of dissolving.

What is the effect of the change of temperature on the solubility of a salt?

If we heat the solvent, the average kinetic energies of its molecules increases. Hence, the solvent is able to dislodge more particles from the surface of the solute. Thus, increasing the temperature increases the solubilities of substances. For example, sugar and salt are more soluble in water at higher temperatures.

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