A student performing this experiment forgot to add phenolphthalein solution to the vinegar solution before beginning the

Question

A student performing this experiment forgot to add phenolphthalein solution to the vinegar solution before beginning the titration. After adding 27 mL of NaOH solution, he realized his error and added the indicator. The solution turned bright pink. Suggest a procedure the student could follow to salvage the titration.

Kunduz · Accepted Answer

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