Solubility Product (Ksp)Chemistry
Solubility Product Constant (Ksp) & Molar Solubility Calculator
Calculate molar solubility (mol/L), mass solubility (g/L), and saturated ionic concentrations from Ksp across 1:1, 1:2, 1:3, and 2:3 sparingly soluble salts.
Calculated Result
Molar Solubility (s)
0mol/L
Calculator Inputs
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g/mol
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Molar Solubility (s)
0mol/L
Mass Solubility (g/L)
0 g/L
Saturated Cation Concentration
0 M
Solubility Product Equilibrium Indicators
Molar Solubility s
0 mol/L(0%)
Solubility g/L
0 g/L(0%)
Standard analytical chemistry tool for heterogeneous dissolution and precipitation equilibria.
Calculation Methodology
For generic salt AxBy: Ksp = [A]^x * [B]^y = (x*s)^x * (y*s)^y = (x^x * y^y) * s^(x+y). Molar Solubility s = [ Ksp / (x^x * y^y) ]^(1 / (x+y)). Mass Solubility = s * Molar Mass.
Frequently Asked Questions
Because the mathematical relationship between s and Ksp depends on stoichiometry (e.g., s = sqrt(Ksp) for 1:1 vs s = cuberoot(Ksp/4) for 1:2); a 1:2 salt with a smaller Ksp can actually have higher molar solubility.
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