Chemistry 10th Edition

Published by Brooks/Cole Publishing Co.
ISBN 10: 1133610668
ISBN 13: 978-1-13361-066-3

Chapter 3 - Chemical Equations and Reaction of Stoichiometry - Exercises - Chemical Equations: 1

Answer

It is a unit used to measure atomic masses. It's defined so that a single atom of Carbon-12 weighs 12 atomic mass units. We need it because atoms don't weigh as much as kilograms or pounds, so it's a small measure of unit that can easily be used.

Work Step by Step

See It is a unit used to measure atomic masses. It's defined so that a single atom of Carbon-12 weighs 12 atomic mass units. We need it because atoms don't weigh as much as kilograms or pounds, so it's a small measure of unit that can easily be used.
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