Titration curves
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- Explain the use of suitable indicators for combinations of strong and weak acids and bases.
Below is a table with information on three common pH indicators used in titrations.
Indicator
Acid (protonated) color
Base (deprotonated) color
pH range
Phenolphthalein
Colorless
Pink
8.2-12.0
Bromothymol blue
Yellow
Blue
6.0-7.6
Alizarin yellow
Yellow
Red
10.0-12.0