Titration

Question 1

how to identify end point of a titration using an indicator

Answer 1

point at which the indicator changes color

Question 2

Describe the process of titration

Answer 2

1. Use the volumetric pipette to place exactly 25 cm3 sodium hydroxide solution into the conical flask
2. Place the conical flask on a white tile so the tip of the burette is inside the flask
3. Add a few drops of a suitable indicator to the solution in the conical flask
4. Perform a rough titration by taking the burette reading and swirling the flask vigorously
5. Quickly close the tap when the end-point is reached (sharp colour change) and record the volume, placing your eye level with the meniscus
6. Now repeat the titration without the indicator

Question 3

After titration, how are crystals formed

Answer 3

evaporate the mixture until most of the water is gone. leave it to cool so that crystals are formed and dry off the excess

Question 4

when is titration performed

Answer 4

to get a salt from an acid and an alkali

Question 5

which method is used to form a soluble salt from and acid and an insoluble base

Answer 5

method 2