Chemistry: The Central Science (13th Edition)

by Brown, Theodore E.; LeMay, H. Eugene; Bursten, Bruce E.; Murphy, Catherine; Woodward, Patrick; Stoltzfus, Matthew E.

Published by Prentice Hall

ISBN 10: 0321910419

ISBN 13: 978-0-32191-041-7

Chapter 3 - Chemical Reactions and Reaction Stoichiometry - Exercises - Page 114: 3.29a

Answer

$1.163 X 10^-14$ moles of people.

Work Step by Step

Avogadro's number is $6.02 X 10^23$. To calculate the number of moles of people in the world we take 7 billion and divide it by Avogadro's number . The result is the number of moles of people in the world $1.163 X 10^-14$.

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