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# A 0.45-g sample of aspirin is decomposed into its

ISBN: 9780321910295 34

## Solution for problem 74P Chapter 6

Introductory Chemistry | 5th Edition

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Problem 74P

A 0.45-g sample of aspirin is decomposed into its constituent elements and found to contain 0.27 g C, 0.020 g H, and 0.16 g O. Calculate the mass percent composition of C, H, and O in aspirin.

Step-by-Step Solution:

Solution 74P

Here, we are going to calculate the mass percent of C, H and O in aspirin.

Step 1:

Mass percentage gives the concentration of an element in a compound. Mathematically, it can be calculated by the following formula:

Mass percent of an element X = (mass of the element X / total mass of compound) x 100 %

Step 2:

Given, mass of the aspirin sample = 0.45 g

Mass of C in the sample = 0.27 g

Mass of H in the sample = 0.020 g

Mass of O in the sample = 0.16 g

Step 3 of 3

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