Question

an indicator used to measure the strength of an acid and a base​

Answer 1

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Your answer is:-

Litmus , phenolphthalein , methyl orange

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Answer 2

Answer:

here is your answer friend

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Explanation:

Phenolphthalein Indicator

Stages of a Strong Acid-Strong Base Titration

A strong acid- strong base titration is performed using a phenolphthalein indicator. Phenolphtalein is chosen because it changes color in a pH range between 8.3 – 10. It will appear pink in basic solutions and clear in acidic solutions.