Chemistry: A Molecular Approach (3rd Edition)

Published by Prentice Hall
ISBN 10: 0321809246
ISBN 13: 978-0-32180-924-7

Chapter 2 - Sections 2.1-2.9 - Exercises - Problems by Topic - Page 79: 32



Work Step by Step

To show this, we will put everything into molar quantities. First Sample: Na: 6.98gx1mol/22.99g = 0.301mol Cl: 10.7x1mol/35.45g = 0.301mol Yes. For a NaCl solution there are 0.301 mol of both elements. Second Sample: Na: 11.2gx1mol/22.99g = 0.487mol Cl: 17.3gx1mol/35.45g = 0.488 mol. Yes. For a NaCl solution there are roughly 0.488 of both elements.
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