Phenolphthalein is a commonly used indicator that is colorless in the acidic form (pH = 8.3) and

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Phenolphthalein is a commonly used indicator that is colorless in the acidic form (pH = 8.3) and pink in the base form (pH = 10.0). It is a weak acid with a pKa of 8.7. What fraction is in the acid form when the acid color is apparent? What fraction is in the base form when the base color is apparent?

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Chemistry Principles And Practice

ISBN: 9780534420123

3rd Edition

Authors: Daniel L. Reger, Scott R. Goode, David W. Ball

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