Solubility product (K_sp) calculator

K_sp = [M⁺][A⁻] for MA(s) ⇌ M⁺ + A⁻ at saturation.

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Model / formula

For MA(s) ⇌ M⁺ + A⁻ at saturation: K_sp = [M⁺][A⁻]

[M⁺] at equilibrium (M)

[A⁻] at equilibrium (M)

$$K_{sp} = [\text{M}^+][\text{A}^-]$$

For 1:1 salts at saturation. Other stoichiometries need the correct power law.

Educational use only. Double-check values for labs, homework, and exams.