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Introductory Chemistry: A Foundation

Introductory Chemistry: A Foundation

9th Edition

ISBN:9781337399425

Author:Steven S. Zumdahl, Donald J. DeCoste

Publisher:Steven S. Zumdahl, Donald J. DeCoste

Chapter13: Gases

Section: Chapter Questions

Problem 65QAP

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Question

Adding helium to a balloon increased its volume from 462.0 mL to 1.510 L. If the final number of moles of helium in the
balloon is 20.6 mol, what was the initial number of moles of helium in the balloon? Assume the balloon contained only helium
initially.
mol
67.329

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