Chemistry and Chemical Reactivity (9th Edition)

Published by Cengage Learning
ISBN 10: 1133949649
ISBN 13: 978-1-13394-964-0

Let's Review: The Tools of Quantitative Chemistry - 4 Problem Solving by Dimensional Analysis - Review & Check for Section 4 - Page 39: 1

Answer

A

Work Step by Step

We use stoichiometry, making sure that all units cancel out to $km^2$, to obtain: $2.33\times10^7\ m^2\times 1\ km^2/10^6\ m^2=23.3\ km^2$
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