Chemistry, 21.05.2021 18:00, ptanner706

A student adds a few drops of phenolphthalein to a clear solution and it imediately turns pink (fuschia). Next, the student starts adding a second clear solution to the pink soluton and it slowly turns back to a clear colorless solution. What was the identity of the second solution that was added?

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A student adds a few drops of phenolphthalein to a clear solution and it imediately turns pink (fusc...