Answer
SiH$_{4}$(g) because it has greater molar mass.
Work Step by Step
SiH$_{4}$(g) because it has greater molar mass.
Chemistry: A Molecular Approach (3rd Edition)
by Tro, Nivaldo J.
Published by
Prentice Hall
ISBN 10:
0321809246
ISBN 13:
978-0-32180-924-7
Chapter 17 - Sections 17.1-17.9 - Exercises - Problems by Topic - Page 853: 47d
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