Experiment 7 Synthesis of 1-Bromobutane via an SN2 reaction CHEM 220

Experiment 7 Synthesis of 1-Bromobutane via an SN2 reaction Chenxinxin Dai Palomar College Chem 220 This study source was downloaded by from CourseH on :10:13 GMT -06:00 Data: Compound Molec. Formula/We ight(g/ml) BP( C) MP(C) Structure Density (g/ml) Volume/Wei ght used 1-Butanol C 4 H 10 O 74.121 117.7 -89.8 0.81 15ml Sodium Bromide Na-Br 102.89 .21 25 grams Sulfuric Acid (18 M) H 2 SO 4 98.079 337 10.31 1.84 15ml 1- Bromobuta ne C 4 H 9 Br 137.02 101.4- 102.9 -112. 1.26 Theoretical yield: 22.45g Mass of round bottom:31.5884 g Mass of round bottom and product: 40.2977 g Actual yield: 8.7093g Percent yield: 38.79% Calculations NaBr: 25.0611g 102.89 g/mol =0.2436mol NaBr 1-Butanol: 15mL × 0.81g/ml = 12.15 g → 12.15 g 74.121 g/mol =0.1639 mol 1- Butanol H 2 SO 4: 15ml × 1.84g/ml = 27.6g → 27.6 g 98.079 g/mol =0.281mol H 2 SO 4 * 1-Butanol is the limiting reactant This study source was downloaded by from CourseH on