Chemistry: An Introduction to General, Organic, and Biological Chemistry (12th Edition)

Published by Prentice Hall
ISBN 10: 0321908449
ISBN 13: 978-0-32190-844-5

Chapter 8 - Section 8.7 - Partial Pressure (Dalton's Law) - Understanding the Concepts - Page 278: 8.55a

Answer

2

Work Step by Step

When there is no change in temperature and volume, pressure is determined by number of particles in the gas. The gas with least number of particles will have the lowest pressure. In this case, gas sample represented by diagram 2 has the least number of particles and hence the lowest pressure.
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