how will you know that you reach the endpoint in the titration of acid and base solutions. If you have overrun it, what will you do and what happen to the calculations?
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Explanation:
An acid-base indicator (e.g., phenolphthalein) changes color depending on the pH. Redox indicators are also frequently used. A drop of indicator solution is added to the titration at the start; when the color changes the endpoint has been reached, this is an approximation of the equivalence point.
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