Answer
6667
Work Step by Step
Since there are 2 Oxygen atoms in $O_2$, this means that if 10,000 atoms are reacted, 5,000 $O_2$ molecules are reacted. We use the ratio of $O_2$ to Fe to find:
$5,000 \times \frac{4}{3} = 6667$
Chemistry: The Molecular Science (5th Edition)
by Moore, John W.; Stanitski, Conrad L.
Published by
Cengage Learning
ISBN 10:
1285199049
ISBN 13:
978-1-28519-904-7
Chapter 3 - Chemical Reactions - Exercise 3.2 - Stoichiometric Coefficients - Page 96: c
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