Chemistry, 18.03.2020 21:59 afifakiran5226

Phenolphthalein is an indicator that turns from colorless (acidic form) to magenta (basic form) and has a pKa of 9.40. What is the ratio of the magenta phenolphthalein concentration to the colorless phenolphthalein concentration ([magenta phenolphthalein]/[colorless phenolphthalein]) at a pH of 11?

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Phenolphthalein is an indicator that turns from colorless (acidic form) to magenta (basic form) and...