Chemistry 10th Edition

Published by Brooks/Cole Publishing Co.
ISBN 10: 1133610668
ISBN 13: 978-1-13361-066-3

Chapter 2 - Chemical Formulas and Composition Stoichiometrhy - Exercises - Conceptual Exercises - Page 78: 103

Answer

All have the same empirical formula, CH2O, which has a formula weight (FW) of 30.0 amu. Molecular Molecular Ratio With Formula Weight (amu) Empirical FW Acetic Acid C2H4O2 60.0 amu 2 Erythrulose C4H8O4 120.0 amu 4 Formaldehyde CH2O 30.0 amu 1 Latic Acid C3H6O3 90.0 amu 3 Ribose C5H10O5 150.0 amu 5

Work Step by Step

All have the same empirical formula, CH2O, which has a formula weight (FW) of 30.0 amu. Molecular Molecular Ratio With Formula Weight (amu) Empirical FW Acetic Acid C2H4O2 60.0 amu 2 Erythrulose C4H8O4 120.0 amu 4 Formaldehyde CH2O 30.0 amu 1 Latic Acid C3H6O3 90.0 amu 3 Ribose C5H10O5 150.0 amu 5
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