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12-10-2021
Chemistry

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What does it mean that the filtered water samples reacted with phenolphthalein?

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12-10-2021

Answer:

Phenolphthalein is an acid indicator, which means when we add water (pH 7) to it, it ionizes giving a pink color. We all know acid gives in solution. When we add phenolphthalein to acid due to the common ion effect concentration increases. turned the solution pink.

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