Determine the number of moles of molecules (or formula

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

Problem 47P Chapter 6

Introductory Chemistry | 5th Edition

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

Introductory Chemistry | 5th Edition

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Problem 47P

Determine the number of moles of molecules (or formula units) in each sample.

(a) 38.2 g sodium chloride

(b) 36.5 g nitrogen monoxide

(c) 4.25 kg carbon dioxide

(d) 2.71 mg carbon tetrachloride

Step-by-Step Solution:

Solution 47P

Step 1:

Here, we have to determine the number of moles of molecules which is also called as formula units in each sample :

A formula unit in chemistry is the empirical formula where an ionic compound in its simplest and most reduced terms. It is the simplest positive integer ratio of atoms present in a compound

Steps to find the number of moles:

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.

Step 2 of 2

Chapter 6, Problem 47P is Solved
Textbook: Introductory Chemistry
Edition: 5
Author: Nivaldo Tro
ISBN: 9780321910295

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