If, during the experiment, the following data were obtained, determine thecontent of acetylsalicylic acid in the tablets. The molar mass of aspirin is180.158 mg/mmol.Total mass of the two aspirin tablets (g) = 0.2500Molarity of NaOH (mmol/mL) = 0.1204Volume of NaOH used (ml) = 50.00Molarity of HCI (mmol/mL) = 0.09088Volume of HCl used to titrate (ml) = 9.35Manufacturer's indicated acetylsalicylic acid content per tablet (mg) 80.0Find the following:mmol of NaOH initially added:mmol of NaOH back-titrated:mmol of NaOH that reacted:mg of acetylsalicylic acid in the analyzed sample:mass percent of acetylsalicylic acid in the sample:mg of acetylsalicylic acid per tablet:percent error (based on indicated content):_

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E of acetylsalicylic acid in the tablets.

Introductory Chemistry: An Active Learning Approach

6th Edition

ISBN:9781305079250

Author:Mark S. Cracolice, Ed Peters

Publisher:Mark S. Cracolice, Ed Peters

Chapter16: Solutions

Section: Chapter Questions

Problem 62E

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Concept explainers

Amines

Amines are organic compounds with a nitrogen atom having a lone pair of electrons on it. They are derived from ammonia (NH3) wherein hydrogen atoms are substituted by an aryl or alkyl group.

Question

If, during the experiment, the following data were obtained, determine the
content of acetylsalicylic acid in the tablets. The molar mass of aspirin is
180.158 mg/mmol.
Total mass of the two aspirin tablets (g) = 0.2500
Molarity of NaOH (mmol/mL) = 0.1204
Volume of NaOH used (ml) = 50.00
Molarity of HCI (mmol/mL) = 0.09088
Volume of HCl used to titrate (ml) = 9.35
Manufacturer's indicated acetylsalicylic acid content per tablet (mg) 80.0
Find the following:
mmol of NaOH initially added:
mmol of NaOH back-titrated:
mmol of NaOH that reacted:
mg of acetylsalicylic acid in the analyzed sample:
mass percent of acetylsalicylic acid in the sample:
mg of acetylsalicylic acid per tablet:
percent error (based on indicated content):_

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