118B Laboratory Manual Experiment I

118B Laboratory Manual University of California, Davis Winter 2017 Post-Laboratory Report Sheet NAME: ___________________________ Organic Chemistry – 118 B Lab Day: M T W Th Experiment I Lab Time: 9:00 am 1:10 pm 4:10 pm 7:10 pm Locker #: ___________________________ TA: ________________________________ Data Starting Collection: Materials: lmlxtosm891.088gx.mg s Methyl benzoate __________ I mL; ___________ 1.088 g; ____________ 0.0079 mol 98% H2SO4 (18M): 1m41 841 1.849 78 9 __________ I mL; ___________ 1.84 g; ____________ 0.0188 mol 70% HNO3 (16M): 1mLxH2Im 1.429 1 1 __________ I mL; ___________ 1.42 g; ____________ 0.0225 mol Limiting Reagent: methyl ______________________ benzoate Product: Methyl nitrobenzoate: ______________ 1.144 g; melting Point: 771 ____________°C 78 Description of product appearance:_________________________________________ yellow crystals Data Analysis: Calculate the Theoretical Yield (show calculation): product O 0079motxl 8h.ly Methyl nitrobenzoate Theoretical Yield: __________ 0.0079 mol; __________ 1.43 g Calculate the Percent Yield (show calculation): 1.144mmol 1.144 100 181.159 1.43 Actual Yield: __________ 1.144 g; ___________ 0.00632 mol Percent Yield: __________% 80 Sketch your TLC in the blank below.