How does phenolphthalein solution works as an acid base indicator?
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Phenolphthalein
is often used as an indicator in acid–base titrations.
For this application, it turns colorless in acidic solutions and pink in basic solutions. It belongs to
class of dyes known as Pthalein dyes. ... It is a weak acid, which canlose H+ ions in solution
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Phenolphthalein is often used as an indicator in acid–base titrations. For this application, it turns colorless in acidic solutions and pink in basic solutions. It belongs to class of dyes known as Pthalein dyes. ... It is a weak acid, which canlose H+ ions in solution
Explanation:
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