A chemistry student needs 40.0mL of pentane for an experiment. By consulting the CRC Handbook of Chemistry and Physics, the student discovers that the density of pentane is ·0.626gcm−3 . Calculate the mass of pentane the student should weigh out. Be sure your answer has the correct number of significant digits.

Chemistry: The Molecular Science
5th Edition
ISBN:9781285199047
Author:John W. Moore, Conrad L. Stanitski
Publisher:John W. Moore, Conrad L. Stanitski
Chapter1: The Nature Of Chemistry
Section: Chapter Questions
Problem 77QRT: The label on a bale of mulch indicates a volume of 1.45 ft3. The label also states that the mulch in...
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A chemistry student needs

40.0mL

of pentane for an experiment. By consulting the CRC Handbook of Chemistry and Physics, the student discovers that the density of pentane is

·0.626gcm−3

. Calculate the mass of pentane the student should weigh out.

Be sure your answer has the correct number of significant digits.

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