Chemistry Practical. Standardize the known acid using Phenolphthalein indicator and sodium hydroxide. Procedure: Add about...

Chemistry Practical. Standardize the known acid using Phenolphthalein indicator and sodium hydroxide.

Procedure: Add about 10ml of Acid into two conical different flasks marked flask A and B. Into flask A, add about 2 to 3 drops of Phenolphthalein indicator. Add 4 to 5 drops of the same indicator into flask B and migrate the both flask using 0.5 molar sodium hydroxide.

Question:
1. Note the end point.
2. Record the title value.
3. Calculate the molarity of the acid.
4. Does the volume of indicator affect the end point.
5. Explain.?

In Imo State University
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Asked by Bigman on 6th March, 2026