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Calculate the solubility of each of the following compounds in moles per liter. Ignore any acid-base properties.
(a) CaCO3, Ksp = 8.7x10^-9. __ mol/L
(b) CdCO3, Ksp = 5.2x10^-12. __mol/L
(c) PbI2, Ksp = 1.4x10^-8. __mol/L
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