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Determine the pH during the titration of 13.9 mL of 0.200 M nitric acid by 0.105 M sodium hydroxide at the following points: (1) Before the addition of any sodium hydroxide (2) After the addition of 13.3 mL of sodium hydroxide (3) At the equivalence point (4) After adding 33.5 mL of sodium hydroxide A 40.4 mL sample of a 0.386 M aqueous hydrofluoric acid solution is titrated with a 0.209 M aqueous solution of sodium hydroxide. How many milliliters of sodium hydroxide must be added to reach a pH of 2.813? ml Submit An Answer Try Another Version 3 Item attempts remaining