According to the textbook, which indicator should Andrea use?
Hint: Neutral substances have a pH of 7. Acids have a pH that is less than 7, and bases have a pH that is greater than 7.
A. phenolphthalein
B. thymol Blue
C. phenol Red
D. trinitrobenzoic acid
Question & Answer
According to the textbook, which indicator should Andrea use?
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