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Chapter 41

Chemical Principles in the Laboratory · 4 exercises

Problem 1

Calculate the theoretical yield of aspirin to be obtained in this experiment, starting with \(2.0 \mathrm{g}\) of salicylic acid and \(5.0 \mathrm{mL}\) of acctic anhydride (density = \(1.08 \mathrm{g} / \mathrm{mL}\) ). _____ \(g\)

3 step solution

Problem 3

The name acetic anhydride implies that the compound will react with water to form acetic acid. Write the equation for the reaction.

3 step solution

Problem 4

Identify \(\mathrm{R}\) and \(\mathrm{R}^{\prime}\) in Equation 1 when the ester, aspirin, is made from salicylic acid and acetic acid.

2 step solution

Problem 5

Write the equation for the reaction by which aspirin decomposes in an aqueous ethanol solution.

4 step solution

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