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, Problem 12A
Interpretation Introduction

Interpretation:

The quantity which is a conversion factor between mass of sample and number of moles needs to be determined.

Concept Introduction: The number of moles is related to mass and molar mass. Molar mass is defined as the mass of 1 mol of a substance.

Expert Solution & Answer
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Answer to Problem 12A

Molar mass (g/mol)

Explanation of Solution

Consider a sample of a substance that weighs, 'm' grams and contains 'n' number of moles. The quantities- mass and moles are related by the following equation:

  number of moles = Mass of the substance Molar mass of the substance'n' moles = 'm' grams'M' grams/mol

Conclusion

Therefore, molar mass (M) which is the mass corresponding to 1 mole of the substance is the conversion factor between 'mass' and 'moles'.

Chapter 9 Solutions

World of Chemistry, 3rd edition

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Step by Step Stoichiometry Practice Problems | How to Pass ChemistryMole Conversions Made Easy: How to Convert Between Grams and Moles; Author: Ketzbook;https://www.youtube.com/watch?v=b2raanVWU6c;License: Standard YouTube License, CC-BY