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17 April, 23:22

What color change was observed and what did this color change indicate about the shift in the phenolphthalein equilibrium?

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  1. 17 April, 23:31
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    Assuming you are doing a titration lab with phenolphthalein, you should expect a slightly pink color change. The color change indicates the pH change of the solution as the titrating solution is added dropwise.

    It is clear in acidic solutions and turns pink when it is in a basic solution.
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