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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![**Question:**
How many moles of methanol (CH₃OH) are in a 4.375 g sample?
**Your Answer:**
[Text Box for Answer] [Text Box for Units]
---
**Instructions:**
To determine the number of moles of methanol in a given mass, use the formula:
\[ \text{Number of moles} = \frac{\text{mass of sample (g)}}{\text{molar mass of methanol (g/mol)}} \]
The molar mass of methanol (CH₃OH) is calculated by adding the atomic masses of all atoms in the formula:
- Carbon (C): 12.01 g/mol
- Hydrogen (H): 1.01 g/mol × 4
- Oxygen (O): 16.00 g/mol
Calculate the molar mass and substitute the values into the formula to find the answer and enter it in the provided text boxes.](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F022dcb38-39fc-49fc-a03d-f2e4f283ed6f%2F7ce6e3ec-148d-465c-8b54-6cca9afe039a%2Fzceir8_processed.png&w=3840&q=75)
Transcribed Image Text:**Question:**
How many moles of methanol (CH₃OH) are in a 4.375 g sample?
**Your Answer:**
[Text Box for Answer] [Text Box for Units]
---
**Instructions:**
To determine the number of moles of methanol in a given mass, use the formula:
\[ \text{Number of moles} = \frac{\text{mass of sample (g)}}{\text{molar mass of methanol (g/mol)}} \]
The molar mass of methanol (CH₃OH) is calculated by adding the atomic masses of all atoms in the formula:
- Carbon (C): 12.01 g/mol
- Hydrogen (H): 1.01 g/mol × 4
- Oxygen (O): 16.00 g/mol
Calculate the molar mass and substitute the values into the formula to find the answer and enter it in the provided text boxes.
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