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Chemistry / Chemistry 12 / Chapter 4 / Problem 4.145

Chemistry | 12th Edition | ISBN: 9780078021510 | Authors: Raymond Chang; Kenneth Goldsby

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Answer: Acetylsalicylic acid (C9H8O4) is a monoprotic acid

Chapter 4, Problem 4.145

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QUESTION:

Acetylsalicylic acid (C9H8O4) is a monoprotic acid commonly known as aspirin. A typical aspirin tablet, however, contains only a small amount of the acid. In an experiment to determine its composition, an aspirin tablet was crushed and dissolved in water. It took 12.25 mL of 0.1466 M NaOH to neutralize the solution. Calculate the number of grains of aspirin in the tablet. (One grain 5 0.0648 g.)

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QUESTION:

Acetylsalicylic acid (C9H8O4) is a monoprotic acid commonly known as aspirin. A typical aspirin tablet, however, contains only a small amount of the acid. In an experiment to determine its composition, an aspirin tablet was crushed and dissolved in water. It took 12.25 mL of 0.1466 M NaOH to neutralize the solution. Calculate the number of grains of aspirin in the tablet. (One grain 5 0.0648 g.)

ANSWER:

Step 1 of 5

From the given,

Molarity of NaOH = 0.1446 M

Volume of NaOH = 0.01225L

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