General Chemistry: Principles and Modern Applications (10th Edition)

Published by Pearson Prentice Hal
ISBN 10: 0132064529
ISBN 13: 978-0-13206-452-1

Chapter 2 - Atoms and the Atomic Theory - Example 2-9 - Combining Several Factors in a Calculation - Molar Mass, the Avogadro Constant, Percent Abundances - Page 58: Practice Example A



Work Step by Step

Mass of Pb= Volume$\times$Density $=0.105\,cm^{3}\times11.34\,g/cm^{3}$ $=1.1907\,g$ Number of Pb atoms= $1.1907\,g\times\frac{6.02214\times10^{23}}{207.2\,g}=3.46\times10^{21} $
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