Examine your Beer's Law plot and use the absorbance found earlier to estimate the concentration of aspirin in your commercial aspirin sample. Mark the point corresponding to your s... Examine your Beer's Law plot and use the absorbance found earlier to estimate the concentration of aspirin in your commercial aspirin sample. Mark the point corresponding to your solution. Estimate the concentration of aspirin from Beer’s Law. Recall that you prepared the solution for spectrophotometric analysis by diluting 2.5 mL of solution X in 50 mL of buffer. Use the equation for dilution to calculate the concentration of aspirin in solution X. Recall that solution X was prepared by dissolving a single aspirin tablet in 250 mL of solution. Use this information to determine the mass of aspirin in a tablet. Also, calculate the % error compared to the manufacturer specification.
Understand the Problem
The question involves estimating the concentration of aspirin in a commercial sample based on provided data and using Beer’s Law to calculate relevant values including the mass of aspirin in a single tablet and the percentage error compared to manufacturer specifications.
Answer
428 mg, error: 31.69%
The mass of aspirin in a tablet is 428 mg, and the % error is 31.69%.
Answer for screen readers
The mass of aspirin in a tablet is 428 mg, and the % error is 31.69%.
More Information
The experimental mass exceeding the manufacturer's 325 mg indicates likely measurement errors or assumptions in the process.
Tips
Ensure accurate reading from the Beer's Law plot and maintain correct units throughout calculations.
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