Chemistry
10th Edition
ISBN:9781305957404
Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Chapter1: Chemical Foundations
Section: Chapter Questions
Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...
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![### Stoichiometry Problem: Calculating the Mass of NO
#### Problem Statement:
What is the mass in grams of NO that can be formed from 7.26 moles of NO₂ in the reaction below?
\[ 3 \text{NO}_2 (g) + \text{H}_2\text{O} (g) \rightarrow 2 \text{HNO}_3 (g) + \text{NO} (g) \]
#### Introduction:
This problem involves the stoichiometric calculation of the mass of nitrogen monoxide (NO) produced from a given amount of nitrogen dioxide (NO₂). The balanced chemical equation provides the mole ratio necessary for this calculation.
#### Procedure:
1. **Identify the Mole Ratio**: From the balanced reaction, 3 moles of NO₂ produce 1 mole of NO.
2. **Calculate Moles of NO**:
Using the given moles of NO₂:
\[
\frac{7.26 \text{ moles NO}_2}{3 \text{ moles NO}_2} = 2.42 \text{ moles NO}
\]
3. **Calculate Mass of NO**:
The molar mass of NO is approximately 30 g/mol. So, the mass of NO formed is:
\[
2.42 \text{ moles NO} \times 30 \text{ g/mol} = 72.6 \text{ g}
\]
### Conclusion:
Given 7.26 moles of NO₂, 72.6 grams of NO can be produced under the conditions described by the balanced chemical equation.
#### Interface Details:
- **Calculator Interface**: The problem appears on an educational platform with an integrated calculator interface for inputting numerical data and performing calculations.
- **Graphical Elements**: There are no graphical elements or diagrams associated with this problem. The focus is on understanding and applying the stoichiometric relationships described in the equation.](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Fa04b93a0-8cb6-4c4e-81fa-ab66edf67455%2F0cbd6e22-0fa3-428d-9ae0-83411458138b%2F594drnn_processed.jpeg&w=3840&q=75)
Transcribed Image Text:### Stoichiometry Problem: Calculating the Mass of NO
#### Problem Statement:
What is the mass in grams of NO that can be formed from 7.26 moles of NO₂ in the reaction below?
\[ 3 \text{NO}_2 (g) + \text{H}_2\text{O} (g) \rightarrow 2 \text{HNO}_3 (g) + \text{NO} (g) \]
#### Introduction:
This problem involves the stoichiometric calculation of the mass of nitrogen monoxide (NO) produced from a given amount of nitrogen dioxide (NO₂). The balanced chemical equation provides the mole ratio necessary for this calculation.
#### Procedure:
1. **Identify the Mole Ratio**: From the balanced reaction, 3 moles of NO₂ produce 1 mole of NO.
2. **Calculate Moles of NO**:
Using the given moles of NO₂:
\[
\frac{7.26 \text{ moles NO}_2}{3 \text{ moles NO}_2} = 2.42 \text{ moles NO}
\]
3. **Calculate Mass of NO**:
The molar mass of NO is approximately 30 g/mol. So, the mass of NO formed is:
\[
2.42 \text{ moles NO} \times 30 \text{ g/mol} = 72.6 \text{ g}
\]
### Conclusion:
Given 7.26 moles of NO₂, 72.6 grams of NO can be produced under the conditions described by the balanced chemical equation.
#### Interface Details:
- **Calculator Interface**: The problem appears on an educational platform with an integrated calculator interface for inputting numerical data and performing calculations.
- **Graphical Elements**: There are no graphical elements or diagrams associated with this problem. The focus is on understanding and applying the stoichiometric relationships described in the equation.
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