Answer
$$6.57*10^{20} molecules$$
Work Step by Step
We find:
$$ \frac{.212 g}{1}* \frac{1 mol}{194.12 g}* \frac{6.022*10^{23} molecules}{mol}=\\6.57*10^{20} molecules$$
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 - General Questions - Page 90e: 111b
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