Question

Determine the normality of the given HCl solution by titrating it against N/20NaoH solution
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Answer 1

Answer:

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Explanation:

Normality of the given HCl solution can be determined by the following method:

1. First we took 10 mL or 20 mL of the given unknown normality HCl solution in the conical flask and mark this volume as V1.

2. Fill the burette with the NaOH solution of the known normality and mark the normality of NaOH as N2

3. Add 2-3 drops of the phenolphthalein indicator in the conical flask.

4. Then titrate the HCI with the NaOH as colour of the solution becomes pink, noted the volume of NaOH used as V2.

Now normality of HCl can be calculated as follows:

N_{1}V_{1}=N_{2}v_{2}