Chemistry: The Central Science (13th Edition)

Published by Prentice Hall
ISBN 10: 0321910419
ISBN 13: 978-0-32191-041-7

Chapter 3 - Chemical Reactions and Reaction Stoichiometry - Exercises: 3.42b

Answer

1.39 x 10^20 molecules of testosterone

Work Step by Step

C19H28O2 testosterone. For each molecule of testosterone, there are 28 H atoms as we see by the formula. Therefore, if we have 3.88 x 10^21 H atoms then we divide this number by 28 to find the molecules of testosterone. 3.88 x 10^21 / 28 = 1.39 x 10^20 molecules of testosterone
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