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QUESTION
Phenolphthalein in the acidic form (pH 8.3) and in the basic form (pH 10. It is a weak acid with a pKa of 8. The ratio of the conjugate base...
Phenolphthalein in the acidic form (pH < 8.3) and in the basic form (pH > 10.0). It is a weak acid with a pKa of 8.7. The ratio of the conjugate base concentration to the acid concentration is .4. Determine what percent is in the acidic form when the acid color is first apparent?
