Chemistry and Chemical Reactivity (9th Edition)

Published by Cengage Learning
ISBN 10: 1133949649
ISBN 13: 978-1-13394-964-0

Let's Review: The Tools of Quantitative Chemistry - Study Questions: 64

Answer

Fool's gold.

Work Step by Step

Volume of the sample: $52.2-47.5=4.7\ mL=4.7\ cm^3$ Mass of the sample: 23.5 g Density of the sample: $\rho=m/V=5.0\ g/cm^3$ Since its density is closer to fool's gold ($\rho=5.00\ g/cm^3$), the sample is fool's gold.
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