Chemistry: The Molecular Nature of Matter and Change 7th Edition

Published by McGraw-Hill Education
ISBN 10: 007351117X
ISBN 13: 978-0-07351-117-7

Chapter 3 - Problems: 3.2

Answer

A) 12 mol of C B) 1.445 x $10^{25}$

Work Step by Step

A) Since there is only one mol of $C_{12}$$H_{22}$$O_{11}$, the number of moles present in Carbon would be 12 mol. B) If one mol of Sucrose we have 12 mol, then in 2 mol we would have 24 mol. The question is asking for the number of atoms, so we have to convert 24 mol to # of particles. Avogadro's Number= $6.022*10^{23}$ Number of particles= number of moles * Avogadro's Number N= 24 x 6.022 x $10^{23}$ N=1.445 x $10^{25}$
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