Chemistry (12th Edition)

by Wilbraham

Published by Prentice Hall

ISBN 10: 0132525763

ISBN 13: 978-0-13252-576-3

Chapter 10 - Chemical Quantities - 10.3 Percent Composition and Chemical Formulas - 10.3 Lesson Check - Page 333: 46

Answer

74.2% N and 25.8% O

Work Step by Step

Compute the total combined mass of the two elements. Divide the mass of the elements by the total mass. Then multiply by 100% to determine the % composition by mass

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