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3) The pKa of barbituric acid is 4.01; the sodium salt of barbituric acid has a small Ksp. At what pH do we find

3) The pKa of barbituric acid is 4.01; the sodium salt of barbituric acid has a small Ksp. At what pH do we find the maximum solubility of barbituric acid? Why is it not useful to use extreme values of pH with this compound when you are trying to make it soluble?

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