Phenolphthalein has a pK a of 9.7. It is colorless in its acid form and pink in

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Phenolphthalein has a pK_a of 9.7. It is colorless in its acid form and pink in its basic form. For each of the values of pH, calculate [In^–]/[HIn] and predict the color of a phenolphthalein solution.

a. pH = 2.0

b. pH = 5.0

c. pH = 8.0

d. pH = 11.0

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Chemistry A Molecular Approach

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Authors: Nivaldo Tro

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Question Posted: Nov 25, 2023 10:27 PM

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Phenolphthalein has a pK a of 9.7. It is colorless in its acid form and pink in

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Phenolphthalein is a weak acid with a pKa of 97 The pKa is the pH at which the acid and its conjugat...View the full answer

Chemistry A Molecular Approach

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