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Which sample contains the greatest number of atoms?(a)

Introductory Chemistry | 5th Edition | ISBN: 9780321910295 | Authors: Nivaldo J Tro ISBN: 9780321910295 34

Solution for problem 46P Chapter 6

Introductory Chemistry | 5th Edition

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Introductory Chemistry | 5th Edition | ISBN: 9780321910295 | Authors: Nivaldo J Tro

Introductory Chemistry | 5th Edition

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Problem 46P

Which sample contains the greatest number of atoms?

(a) 10.0 g He

(b) 25.0 g Ne

(c) 115 g Xe

Step-by-Step Solution:

Solution 46P

Step 1:

Here, we have to determine the sample contains the greatest number of atoms :

One mole of any element contains Avogadro number of particles, that is 6.0221023 particles. Based on this concept, we will find the sample that has greater number of atoms.

Steps to find the number of atoms :

1. Use the periodic table and get the molar mass of each element.

2. Divide the given mass of the sample by the molar mass of each element this gives the number of moles.

3. Multiple a mole by 6.022 1023, which gives you the number of atoms. And there is your answer.

Step 2 of 2

Chapter 6, Problem 46P is Solved
Textbook: Introductory Chemistry
Edition: 5
Author: Nivaldo J Tro
ISBN: 9780321910295

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Which sample contains the greatest number of atoms?(a)

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