Compute the ratio and predict the color a phenolphthalein

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Reference no: EM13170887

Phenolphthalein has a pKa of 9.7. It is colorless in its acid form and pink in its basic form. For each of the pH's listed, calculate the ratio and predict the color of a phenolphthalein solution.

a. pH = 2.0

b. pH = 5.0

c. pH = 8.0

d. pH = 11.0

Reference no: EM13170887

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