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Procedure Fill your burette with : mol dm –3 sulfuric acid, H 2 SO 4 : B2. Pipette 25.0 cm 3 of sodium hydroxide solution : A2 into a conical flask. Add a few drops of phenolphthalein indicator to the conical flask. Titrate the contents of the conical flask with sulfuric acid, H 2 SO 4 : B2. Repeat the titration until you have concordant results (within 0.10 cm 3 ). Record all titration results in a table showing initial and final burette readings. Equipment/materials A2: sodium hydroxide solution NaOH B2: mol dm –3 sulfuric acid, H 2 SO 4 Phenolphthalein indicator 25.0 cm 3 pipette 50.0 cm 3 burette and stand Funnel Conical flask Wash bottle White tile – use white paper –Why ?

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