World of Chemistry, 3rd edition
World of Chemistry, 3rd edition
3rd Edition
ISBN: 9781133109655
Author: Steven S. Zumdahl, Susan L. Zumdahl, Donald J. DeCoste
Publisher: Brooks / Cole / Cengage Learning
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Chapter 9.1, Problem 5RQ
Interpretation Introduction

Interpretation:

The number of moles of oxygen react with 10.0 mole of sodium needs to be determined.

Concept Introduction:

Mole is the amount of the substance that contains the same number of particles or atoms or molecules. Molar mass is defined as an average mass of atoms present in the chemical formula. It is the sum of the atomic masses of all the atoms present in the chemical formula of any compound.

Expert Solution & Answer
Check Mark

Answer to Problem 5RQ

2.5 moles of oxygen reacts with 10.0 moles of sodium.

Explanation of Solution

The chemical reaction is shown below:

  4Na+O22Na2O

Moles of sodium = 10.0 moles

According to the reaction;

  4 moles of Na = 1 mol of O21 mol of Na =14 mol of O210 mol of Na =14×10molofO2=2.5molofO2

Conclusion

Thus, 2.5 moles of oxygen reacts with 10.0 moles of sodium.

Chapter 9 Solutions

World of Chemistry, 3rd edition

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