Chemistry (12th Edition)

Published by Prentice Hall
ISBN 10: 0132525763
ISBN 13: 978-0-13252-576-3

Chapter 17 - Thermochemistry - 17 Assessment: 113

Answer

1.2 x 10 ^ 24 molecule H2

Work Step by Step

The volume of one mole of gas at STP is 22.4 L. Use this as a conversion factor. Also use Avogadro's number to determine the number of molecules.
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