A student titrated citric acid with sodium hydroxide solution. This is the method used.
1. Pipette 25.0 cm of sodium hydroxide solution into a conical flask.
2. Add a few drops of thymol blue indicator to the sodium hydroxide solution
Thymol blue is blue in alkali and yellow in acid,
3. Add citric acid solution from a burette until the end-point was reached.
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2 Explain what would happen at the end-point of this titration
Refer to the acid, the alkali and the indicator in your answer.
[3 marks]