Lab Report #1 - Joanna Le

Le 2 DATA/OBSERVATIONS : PART 1: Standardization of Aqueous Sodium Hydroxide Solution Mass of KHP (grams) 0.5102 g Volume of KHP solution (mL) 25.00 mL Trial Volume KHP (mL) Volume NaOH (mL) Initial (mL) Final (mL) Total (mL) Initial (mL) Final (mL) Total (mL) 1 0.00 mL 1.01 mL 1.01 mL 0.00 mL 0.93 mL 0.93 mL 2 0.00 mL 1.01 mL 1.01 mL 0.00 mL 0.95 mL 0.95 mL 3 0.00 mL 1.02 mL 1.02 mL 0.95 mL 1.78 mL 0.83 mL PART 2: Titration of Acetic Acid in Vinegar with the Standardized Sodium Hydroxide Solution Trial Volume Vinegar (mL) Volume NaOH (mL) Initial (mL) Final (mL) Total (mL) Initial (mL) Final (mL) Total (mL) 1 0.00 mL 0.10 mL 0.10 mL 0.74 mL 1.72 mL 0.98 mL 2 0.10 mL 0.22 mL 0.12 mL 0.00 mL 0.90 mL 0.90 mL 3 0.00 mL 0.11 mL 0.11 mL 0.90 mL 1.90 mL 1.00 mL Trial 1 Trial 2 Trial 3 Mass of Erlenmeyer Flask (grams) 42.1267 g 42.2102 g 42.1150 g Mass of Erlenmeyer Flask + Vinegar (grams) 42.2254 g 42. 3241 g 42.2274 g Mass of Vinegar (grams) 0.0987 g 0.1139 g 0.1124 g