Chemistry: The Molecular Science (5th Edition)

Published by Cengage Learning
ISBN 10: 1285199049
ISBN 13: 978-1-28519-904-7

Chapter 2 - Chemical Compounds - Questions for Review and Thought - Topical Questions - Page 90d: 76b

Answer

$$8.98*10^{20} molecules$$

Work Step by Step

To solve this problem, find the molar mass of each substance, which is listed on the periodic table. Then use a conversion to solve for the amount of the given substance: $$ \frac{.2480 g}{1}* \frac{1 mol}{166.22 g}* \frac{6.022*10^{23} molecules}{mol}=8.98*10^{20} molecules$$
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