Solubility Product Constant (Ksp) Calculator

Calculate Equilibrium Constants and Solubility with Precision

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Ksp Calculator

Calculate the solubility product constant (Ksp) or solubility of slightly soluble salts.

Ksp: -

Solubility from Ksp Calculator

Calculate the solubility of a salt given its Ksp value.

Solubility: - mol/L

Understanding Solubility Product Constant

What is Ksp?

The solubility product constant (Ksp) is the product of the concentrations of ions in a saturated solution of a slightly soluble salt, each raised to the power of its stoichiometric coefficient.

Ksp Applications

Ksp values are used to:

  • Predict precipitation reactions
  • Calculate solubility under various conditions
  • Determine ion concentrations at equilibrium

Common Ion Effect

The presence of a common ion decreases the solubility of a slightly soluble salt through the common ion effect.

Essential Ksp Formulas

General Ksp Expression

For a salt AxBy ⇌ xAy+ + yBx-

Ksp = [Ay+]x[Bx-]y

Solubility Calculation

Solubility = √(Ksp/x^x × y^y)