Answer
Hydrogen gas (H2)
Work Step by Step
Densities of H, O and Ar at STP are 0.9, 1.43 and 1.7 g/L respectively. Since we know that density is inversely proportional to volume, Hydrogen gas has greatest volume as it has lowest density.
Chemistry: Molecular Approach (4th Edition)
by Tro, Nivaldo J.
Published by
Pearson
ISBN 10:
0134112830
ISBN 13:
978-0-13411-283-1
Chapter 5 - Section 5.5 - Applications of the Ideal Gas Law: Molar Volume, Density and Molar Mass of a Gas - Conceptual Connection - Page 212: 5.2
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