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 2 - Chemical Compounds - Questions for Review and Thought - Topical Questions - Page 90c: 72d

Answer

.31 mmol

Work Step by Step

To solve this problem, find the molar mass of each substance, which is listed on the periodic table. Then, use a conversion to solve for the amount of the given substance: $$ \frac{12 mg}{1}* \frac{1 mmol}{39.098 mg}=.31 mmol$$

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