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Calculating Numbers of Molecules and Atoms from Mass (a)

Chemistry: A Molecular Approach | 3rd Edition | ISBN: 9780321809247 | Authors: Nivaldo J. Tro ISBN: 9780321809247 1

Solution for problem 1PE Chapter 3.12SE

Chemistry: A Molecular Approach | 3rd Edition

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Chemistry: A Molecular Approach | 3rd Edition | ISBN: 9780321809247 | Authors: Nivaldo J. Tro

Chemistry: A Molecular Approach | 3rd Edition

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Problem 1PE

Calculating Numbers of Molecules and Atoms from Mass (a) How many glucose molecules are in 5.23 g of C6H1206? (b) How many oxygen atoms are in this sample? How many chlorine atoms are in 12.2 g of CCI4? (a) 4.77 * 1022 (b) 7.34 * 1024 (c) 1.91 * 1023 (d) 2.07 x 1023.

Step-by-Step Solution:

Answer : Step 1: The number of atoms of a particular atom in a given mass of a compound will be determined by the following procedure: First, calculate the total number of moles of the compound in the given mass. Then, multiply the number of moles of that compound with the number of atoms of that particular element in one molecule of the compound. This will give the total number of moles of that particular atom in the given mass of the compound. Now, multiply this total number of moles of that atom with the Avogadro's number to get the total number of atoms of particular element.

Step 2 of 5

Chapter 3.12SE, Problem 1PE is Solved
Step 3 of 5

Textbook: Chemistry: A Molecular Approach
Edition: 3
Author: Nivaldo J. Tro
ISBN: 9780321809247

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