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 42A
Interpretation Introduction

Interpretation: The actual yield, percent yield and theoretical yield of a chemical reaction needs to be determined.

Concept Introduction: A chemical reaction involves the conversion of reactant to product by breaking and making of chemical bonds.

There can be more than one reactant molecules involve in a chemical reaction to form the products. The reactant which is present in limited amount in a chemical reaction is called as limiting reactant.

Expert Solution & Answer
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Answer to Problem 42A

  Percent yield = Actual yieldTheoretical yield x 100

Explanation of Solution

Given information: Mass and mole ratio can be used to determine the limiting reactant.

In a chemical reaction, the limiting reactant determines the amount of product formed during the process. The actual yield of the product is the amount of product which is formed at the end of reaction experimentally.

The theoretical yield represents the amount of product calculated by expecting that 100 % of reactant changes to product.

The percent yield provides the extent of chemical reaction occurs with the help of actual and theoretical yield. The mathematical expression of percent yield can be shown as:

  Percent yield = Actual yieldTheoretical yield x 100

Conclusion

Thus,

  Percent yield = Actual yieldTheoretical yield x 100

Chapter 9 Solutions

World of Chemistry, 3rd edition

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