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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![**Determining Moles of CH₃OH in a Solution**
*Question 2 of 9*
1. **Problem Statement:**
How many moles of CH₃OH are there in 28.6 mL of 0.400 M CH₃OH?
2. **Solution Calculation:**
To find the number of moles, use the formula:
\[
\text{moles} = \text{concentration (M)} \times \text{volume (L)}
\]
First, convert 28.6 mL to liters:
\[
28.6 \, \text{mL} \times \frac{1 \, \text{L}}{1000 \, \text{mL}} = 0.0286 \, \text{L}
\]
Then multiply by the concentration:
\[
\text{moles of CH₃OH} = 0.400 \, \text{M} \times 0.0286 \, \text{L} = 0.01144 \, \text{moles}
\]
3. **Calculation Interface:**
The calculator interface on the screen includes a numeric keypad and functions to clear input or multiply by a power of ten, facilitating quick recalculations.
4. **Additional Resources:**
Tap on the provided option to access more detailed explanations or related educational materials.](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F7bd06d49-1f03-4d83-9ba1-5526279a5db3%2F17c8861b-fe7c-4949-a110-82bd2551023f%2F0g3m7q_processed.jpeg&w=3840&q=75)
Transcribed Image Text:**Determining Moles of CH₃OH in a Solution**
*Question 2 of 9*
1. **Problem Statement:**
How many moles of CH₃OH are there in 28.6 mL of 0.400 M CH₃OH?
2. **Solution Calculation:**
To find the number of moles, use the formula:
\[
\text{moles} = \text{concentration (M)} \times \text{volume (L)}
\]
First, convert 28.6 mL to liters:
\[
28.6 \, \text{mL} \times \frac{1 \, \text{L}}{1000 \, \text{mL}} = 0.0286 \, \text{L}
\]
Then multiply by the concentration:
\[
\text{moles of CH₃OH} = 0.400 \, \text{M} \times 0.0286 \, \text{L} = 0.01144 \, \text{moles}
\]
3. **Calculation Interface:**
The calculator interface on the screen includes a numeric keypad and functions to clear input or multiply by a power of ten, facilitating quick recalculations.
4. **Additional Resources:**
Tap on the provided option to access more detailed explanations or related educational materials.
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