Chemistry, asked by phanitha3, 2 months ago

I need the answer to the question which have a blank

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Answered by nilesh7823

25ml

I know 25 ml because at our time of practical it was 25 ml.

Answered by gayathridevimj

Estimation of Oxalic Acid by Titrating it with NaOH

Add two drops of phenolphthalein indicator into it and place it below the nozzle of the burette. Now run the sodium hydroxide solution slowly and dropwise into the flask until a very faint permanent pink colour is just obtained.

Titration of Sodium Hydroxide and Oxalic Acid Solution

Pipette out 20ml of NaOH solution is a conical flask. Add 2-3 drops of phenolphthalein indicator to it. Titrate the base with oxalic acid solution until pink colour disappears. Repeat the titration till three concordant readings are obtained.

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