18. Aqueous Equilibrium
Acid-Base Indicators
2:15 minutes
Problem 40a
Textbook Question
Textbook QuestionAddition of phenolphthalein to an unknown colorless solution does not cause a color change. The addition of bromthymol blue to the same solution leads to a yellow color. (c) What other indicator or indicators would you want to use to determine the pH of the solution more precisely?
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