Answer
$7.99\ g/cm^3$
Work Step by Step
If the diameter is 9.40 mm, the radius (half of it) is $4.70\ mm=0.470\ cm$.
The volume of the sphere is: $V=\frac43\pi r^3=0.435\ cm^3$
The given mass is 3.475 g, so the density is:
$\rho=m/V=7.99\ g/cm^3$
Chemistry and Chemical Reactivity (9th Edition)
by Kotz, John C.; Treichel, Paul M.; Townsend, John R.; Treichel, David A.
Published by
Cengage Learning
ISBN 10:
1133949649
ISBN 13:
978-1-13394-964-0
Let's Review: The Tools of Quantitative Chemistry - Study Questions - Page 43e: 55
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