The molar solubility of manganese(ii) carbonate is 4.2 × 10–6m. what is kspfor this compound?

The ionisation eq for MNCO3 is given by MnCO3 --> Mn^2+ + CO3^2- Recall Ksp=[Mn^2+][CO3^2-] From the chemical reaction one moles of manganese and carbon reacts Here molar solubility of MnCO3 is 4.2 * 10^-6 M; Which means that when 4.2 * 10^-6 moles of [Mn^2+] reacts, it also reacts with 4.2 x 10^-6 M of CO3 Thus Ksp= 4.2 x 10^(-6) x 4.2 x 10^(-6) = 17.64 * 10^(-6+(-6)) = 17.64 * 10^(-12)

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