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  • 01-05-2017
  • Chemistry
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How does an acid base indicator work?

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malbennett
malbennett malbennett
  • 01-05-2017
Acid - Base Indicators and Titrations. Acid - Base indicators (also known as pHindicators) are substances which change colour with pH. They are usually weakacids or bases, which when dissolved in water dissociate slightly and form ions. Consider an indicator which is a weak acid, with the formula HIn.
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