Chemistry: Principles and Practice (3rd Edition)

Published by Cengage Learning
ISBN 10: 0534420125
ISBN 13: 978-0-53442-012-3

Chapter 2 - Atoms, Molecules, and Ions - Questions and Exercises - Exercises - Page 86: 2.75


294.307 u

Work Step by Step

To get the molecular mass, multiply the atomic mass of each element by the number of its atoms and add them together. Molecular mass of aspartame ($C_{14}H_{18}N_{2}O_{5}$) = (14$\times$ atomic mass of carbon) + (18$\times$atomic mass of hydrogen) + (2$\times$atomic mass of nitrogen) + (5$\times$atomic mass of oxygen) = $(14\times12.011) + (18\times1.008) + (2\times14.007) + (5\times15.999)$ = 294.307 u
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