Chemistry, 22.07.2019 03:30 molinaemily009

Andrea is performing an experiment in which she needs to know when a strong acid is present. she is not sure which indicator to use, so she looks up the following table in her science textbook. indicator ph range thymol blue 1.2 - 2.8 phenol red 6.4 - 8.0 phenolphthalein 8.0 - 10.0 trinitrobenzoic acid 12.0 - 13.4 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. phenol red c. thymol blue d. trinitrobenzoic acid reset submit

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Andrea is performing an experiment in which she needs to know when a strong acid is present. she is...

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