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The document summarizes an experiment to determine the purity of aspirin tablets using acid-base titration. Aspirin was dissolved in ethanol and titrated with sodium hydroxide solution until a faint pink color appeared. The volume of sodium hydroxide used was measured and calculations determined the sample contained 98% acetylsalicylic acid, with 2% impurities. The experiment demonstrated that not all aspirin is 100% pure and titration can be used to quantify impurities in samples.

Author

Ben Goodman

Language

EN