Chemistry: The Central Science (13th Edition)

Published by Prentice Hall
ISBN 10: 0321910419
ISBN 13: 978-0-32191-041-7

Chapter 1 - Introduction: Matter and Measurement - Exercises: 1.34b

Answer

12352 grams.

Work Step by Step

This question is a density problem to find mass. We are given the density of a substance (2.33 g/$cm^{3}$) and the height and width of the object (75 and 300 mm) and asked to find the mass. First, we have to convert our measurements to centimeters. Since there is 1 mm per .1 cm, we have measurements of 7.5 and 30 cm. Now we have to find the volume of the chip, using the volume of a cylinder formula, of v=pi*h*$r^{2}$. When we substitute in our values, we get a volume of 5301.4 $cm^{3}$. Now we use the density formula, where density=mass/volume. When we sub in our known values, we get a mass of 12352 grams.
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