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Why is methyl orange indicator used for a hydrochloric acid - sodium carbonate titration?
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Why is methyl orange indicator used for a hydrochloric acid - sodium carbonate titration?

User Barthy
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Answer:

Methyl orange shows pink colour in acidic medium and yellow colour in basic medium. Because it changes colour at the pH of a mid strength acid, it is usually used in titration for acids

User Tomdavies
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