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uppose you were confused about which of the two containers held standard NaOH and which held vinegar. Which of the following would be the safest way to decide the contents of each diluted container? a. Feel each solution. b. Taste each solution. c. Add one or two drops of phenolphthalein indicator to small samples of each solution.

1 Answer

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Add one or two drops of phenolphthalein to each sample. I’d rather add universal indicator though
User Daniel  Magnusson
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