week. Procedure 2: repeat the procedure. This time use 50:50 mix of methanol and water for recrystallization. Data: 10 mL to dissolve Procedure 1: Solvent used for recrystallization Water 1.6757 2.017 Weight of Benzoic Acid X100=83%. 2.017 g Weight of Benzoic Acid (after drying) 1.675 g % Recovery (Weight after drying/Original Weight X 100 = % recovery) (show calculations clearly below) 8 mb to dissalve Procedure 2: Solvent used for recrystallization Methanol Weight of Benzoic Acid 2:012 1.589 X l00 = 78%. Weight of Benzoic Acid (after drying) 1.589 2.012 % Recovery (Weight after drying/Original Weight X 100 = % recovery) (show calculations clearly below) Analysis: Solubility of Benzoic acid in water g/100 mL Solubility of Benzoic acid in methanol g/100 mL

week. Procedure 2: repeat the procedure. This time use 50:50 mix of methanol and water for recrystallization. Data: 10 mL to dissolve Procedure 1: Solvent used for recrystallization Water 1.6757 2.017 Weight of Benzoic Acid X100=83%. 2.017 g Weight of Benzoic Acid (after drying) 1.675 g % Recovery (Weight after drying/Original Weight X 100 = % recovery) (show calculations clearly below) 8 mb to dissalve Procedure 2: Solvent used for recrystallization Methanol Weight of Benzoic Acid 2:012 1.589 X l00 = 78%. Weight of Benzoic Acid (after drying) 1.589 2.012 % Recovery (Weight after drying/Original Weight X 100 = % recovery) (show calculations clearly below) Analysis: Solubility of Benzoic acid in water g/100 mL Solubility of Benzoic acid in methanol g/100 mL

EBK A SMALL SCALE APPROACH TO ORGANIC L

4th Edition

ISBN:9781305446021

Author:Lampman

Publisher:Lampman

Chapter2: Crystallization

Section: Chapter Questions

Problem 3Q

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