Calculating Molar Solubility Using Activities


\n\n\n\nMolar Solubility Calculator using Activities – Calculate Ksp with Ionic Strength\n\n

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Molar Solubility Calculator using Activities

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Input Data

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Ionic Strength (I)

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Activity Coefficient

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Apparent Ksp

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Molar Solubility (S)

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Solubility Product Constants (Ksp)

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Substance Ksp (25°C)
AgCl 1.8 × 10⁻¹⁰
BaSO₄ 1.1 × 10⁻¹⁰
CaF₂ 3.9 × 10⁻¹¹
Mg(OH)₂ 5.6 × 10⁻¹²
Fe(OH)₃ 2.8 × 10⁻³⁹

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Debye-Hückel Limiting Law

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\n log(γ) = -0.51 × Z² × √I\n

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\n Ksp = [A^m+^m] [B^n-^n] × (γ_cation^m × γ_anion^n)\n

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