General Chemistry: Principles and Modern Applications (10th Edition)

Published by Pearson Prentice Hal
ISBN 10: 0132064529
ISBN 13: 978-0-13206-452-1

Chapter 3 - Chemical Compounds - Exercises - Percent Composition of Compounds - Page 104: 20



Work Step by Step

Using the molar mass, it follows: Mass percent O= $\frac{5\,mol\,O\times\frac{15.999\,g\,O}{1\,mol\,O}}{221.1\,g\,malachite}\times100\%$ $=36.18\%$
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