What Is The Theoretical Yield Of Aspirin

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Solved data analysis what is the theoretical yield of chegg

Solved DATA ANALYSIS What Is The Theoretical Yield Of Chegg

You calculate the theoretical yield of aspirin and then you use your actual yield to calculate the percent yield Here s how to calculate the theoretical yield of aspirin And here s how you calculate percent yield EXAMPLE If the theoretical yield of aspirin is 2 748 g and you obtained 2 47 g of aspirin what is your percent yield Solution Percent yield actual yield theoretical Purpose In this experiment you will synthesize aspirin from acetic anhydride and salicylic acid using phosphoric acid as a catalyst to speed up the reaction (it is not a reactant or product in the overall equation). The reaction for the synthesis is given below. C4H6O3 Acetic Anhydride + C7H6O3 Salicylic Acid H3PO4 → C9H8O4 Aspirin

Exercise 7 the yield of aspirin name date read exercise 7 in your

Exercise 7 The Yield Of Aspirin Name Date Read Exercise 7 In Your

What Is The Theoretical Yield Of AspirinIn this case, both coefficients are 1 so we can just compare moles of each reactant. Next, use mols SA to find mols of aspirin formed (theoretical yield) Theoretical yield = 0.0154 mols SA x 1 mol aspirin / mol SA x 180.2 g aspirin/mol = 2.78 g aspirin. % yield = actual yield / theoretical yield (x100%) = 2.11 g / 2.78 g (x100%) = 75.9% yield. Solution Step 1 Find the molar mass of aspirin and salicylic acid From the periodic table Molar Mass of C 12 grams Molar Mass of H 1 grams Molar Mass of O 16 grams MM aspirin 9 x 12 grams 8 x 1 grams 4 x 16 grams MM aspirin 108 grams 8 grams 64 grams MM aspirin 180 grams