Solubility Constant Calculator

To calculate the solubility constant (Ksp), square the molar solubility (S) and divide by the concentration (C).

Solubility Constant Calculator

Enter any 2 values to calculate the missing variable

Concentration

mol/L mol/m³

Solubility

mol/L mol/m³

Solubility Constant (Ksp)

(mol/L)^2 (mol/m³)^2

Calculate Reset

The Solubility Constant Calculator is highly helpful for calculating the solubility product constant (Ksp) for a given substance. Ksp is an equilibrium constant that reflects the solubility of a compound in a solvent, specifically in saturated solutions.

This constant is important in chemistry for understanding the extent to which a substance dissolves in solution and can help predict whether a substance will precipitate. The calculator can help you determine the solubility product from the solubility data.

Formula

$$K_{sp} = \frac{S^2}{C}$$

Variable	Description
Ksp	Solubility product constant
S	Molar solubility (mol/L)
C	Concentration of the compound (mol/L)

Solved Calculations

Example 1:

Step	Calculation
Molar Solubility (S)	0.02 mol/L
Concentration (C)	0.01 mol/L
Ksp Calculation	$\frac{0.02^2}{0.01}$
Result	0.04 mol²/L²

Answer: The solubility product constant (Ksp) is 0.04 mol²/L² when the molar solubility is 0.02 mol/L and the concentration is 0.01 mol/L.

Example 2:

Step	Calculation
Molar Solubility (S)	0.05 mol/L
Concentration (C)	0.02 mol/L
Ksp Calculation	$\frac{0.05^2}{0.02}$
Result	0.125 mol²/L²

Answer: The solubility product constant (Ksp) is 0.125 mol²/L² when the molar solubility is 0.05 mol/L and the concentration is 0.02 mol/L.

What is a Solubility Constant Calculator?

The Solubility Constant Calculator is a solution-related tool. One can use it to calculate the solubility product constant (Ksp). Basically, this metric is an equilibrium constant that represents the solubility of a substance in a solvent.

Here, Ksp makes it easy to determine how much of a solute can dissolve in a solvent at a given temperature. This value is important in chemistry, particularly in understanding the dissolution of salts and other compounds in water.

To use this calculator, you typically enter the concentrations of the ions in a saturated solution. The calculator then applies the Ksp formula to compute the solubility constant, which helps predict how much solute will dissolve at equilibrium. The tool is helpful for both students and professionals working with chemical reactions involving solubility.

Final Words:

To wrap it up, the Solubility Constant Calculator provides a quick and accurate way to determine the solubility product constant, assisting in understanding solubility behavior and equilibrium conditions in chemical solutions.