Measure out 25cm3 of NaOH using a pipette and filler , Transfer 25cm3 to conical flask , fill burette with HCl solution , take initial reading of burette to 2 decimal places , add few drops of indicator , add HCl from burette to conical flask until colour change is seen (drop wise near neutralisation point), take final reading on burette , rinse conical flask with DI water and burette with acid solution , repeat until concordant results are obtained.

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