Chemistry: The Central Science (13th Edition)

Published by Prentice Hall
ISBN 10: 0321910419
ISBN 13: 978-0-32191-041-7

Chapter 2 - Atoms, Molecules, and Ions - Exercises - Page 74: 2.11

Answer

Postulate 4 states that the relative number and kind of elements in a compound are the same regardless of the source.

Work Step by Step

Dalton's atomic theory means that compounds are composed of the same amount of elements regardless of source. Therefore, water has the same composition no matter where it is from.
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