| Indicator | $pH$ range |
| Methyl orange | $3.2-4.5$ |
| Phenolpthalein | $8.3-10.5$ |
Methyl orange may be used for a strong acid vs strong base and strong acid vs weak base titration. Phenolpthalein may be used for a strong acid vs strong base and weak acid vs strong base titration.
$\text { Given : pKa }\left( CH _3 COOH \right)=4.76$