Chemistry (12th Edition)

by Wilbraham

Published by Prentice Hall

ISBN 10: 0132525763

ISBN 13: 978-0-13252-576-3

Chapter 10 - Chemical Quantities - 10.3 Percent Composition and Chemical Formulas - 10.3 Lesson Check - Page 333: 48

Answer

313.6

Work Step by Step

H= 124 g/mol Ca(CHO) = 158.1658 H= 124 x 4 = 496 496/158.1658 x100 =313.6

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