The question is incomplete; part of the data required in the question are shown:
Theoretical Yield: 2.05 g salicylic acid x (180g aspirin/1 mol) x (1 mol/138 g salicylic acid) 2. Mass of filter paper 2.56 g 3. Mass of filter paper and aspirin 5.42 g 4. Mass of aspirin (3-2) g. Percent Yield [(4)/(1)] x 100
Answer:
107%
Explanation:
We can calculate the theoretical yield as shown;
2.05g salicylic acid × 180g aspirin/1mol × 1 mol/138g of salicylic acid
Theoretical yield= 2.67 g of aspirin
Actual yield of aspirin is obtained from the experimental data;
Mass aspirin + filter paper= 5.42 g
Mass of filter paper= 2.56 g
Mass of aspirin= 5.42 g -2.56 g = 2.86 g
Hence actual yield of aspirin = 2.86 g
Percentage yield = actual yield/theoretical yield × 100
Percentage yield = 2.86/2.67 ×100 = 107%
