Analytical Method Validation of 1N Sodium Hydroxide What is the result of the titration or the result of the experiment? Weighed 2 samples of sodium hydroxide 1st weight = 40.0109 g 2nd weight = 30.0183 g Prepared 3 filtered water in the volumetric flask Used carbon free water Weight for the primary standards potassium biphthalate 1st Weight - 5.0305 g 2nd  Weight - 5.0015 g 3rd Weight - 5.0034 g 4th Weight - 5.006 g Added 75 mL of water 1st titration 1st trial =34.5 mL 2nd trial =34.2 mL 3rd trial =34.5 mL 4th trial o=34.5 mL  2nd titration 1st trial =21 mL 2nd trial =21.5 mL 3rd trial = 21.5 mL 4th trial = 21.5 mL

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