General Chemistry (4th Edition)

Published by University Science Books
ISBN 10: 1891389602
ISBN 13: 978-1-89138-960-3

Chapter 2 Atoms and Molecules - Problems - Page 73: 33

Answer

Molecular mass of Chlorine Trifluoride = atomic mass of chlorine + 3 x atomic mass of fluorine = 35.453 + 3(18.998) = 92.448 Mass %age of chlorine = 35.453/92.448 x 100 = 38.349% Mass %age of fluorine = 56.994/92.448 x 100 = 61.651%

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