Answer
Please see the work below.
Work Step by Step
We know that
$4.9g\space Fe\times \frac{1.1\times 10^{22}Fe\space atoms }{1.0g\space Fe}=5.4\times 10^{22}Fe\space atoms $
Chemistry 12th Edition
by Chang, Raymond; Goldsby, Kenneth
Published by
McGraw-Hill Education
ISBN 10:
0078021510
ISBN 13:
978-0-07802-151-0
Chapter 1 - Chemistry: The Study of Change - Questions & Problems - Page 33: 1.84
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