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Determine the percent aspirin in an aspirin tablet and to compare this with the amount specified on the label.
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Titrimetric Analysis of Aspirin
Name: Andrew Holmes
Student Number: 2103086
Course: BSc Forensic Science
Unit: Introduction to Forensic Chemistry
The purpose of the experiment was to determine the percentage of acetyl salicylic acid in an aspirin tablet and to compare this with the amount specified on the label. The average weight of one tablet before titration was found to be 328 mg. The amount of aspirin calculated from the results obtained from titrimetric analysis to be 317 mg. The stated dose of the tablets was 300 mg The percent purity of an aspirin tablet to the amount specified on the label was then calculated to be 96.47 % pure.
Aims and Objectives
The objectives of this experiment are to determine the percent aspirin in an aspirin tablet and to compare this with the amount specified on the label. This is carried out using an acid - base titration.
The aims of the experiment were as follows:
* Calculate the weight of one aspirin tablet.
* Calculate the molarity of diluted and stock NaOH solutions.
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