Chemistry (12th Edition)

Published by Prentice Hall
ISBN 10: 0132525763
ISBN 13: 978-0-13252-576-3

Chapter 9 - Chemical Names and Formulas - 9 Assessment - Page 299: 79

Answer

The 68-g sample of compound contains 42 g of nitrogen. Consequently, the compound contains 26 g of oxygen. If we divide the mass of nitrogen over the mass of oxygen found in the compound, the ratio is 21:13. The mass ratio in nitrous oxide is 7:4, therefore the compound being tested is not laughing gas.

Work Step by Step

The 68-g sample of compound contains 42 g of nitrogen. Consequently, the compound contains 26 g of oxygen. If we divide the mass of nitrogen over the mass of oxygen found in the compound, the ratio is 21:13. The mass ratio in nitrous oxide is 7:4, therefore the compound being tested is not laughing gas.
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