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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![### Example Homework Problem:
**Question 6: What is the mass of \(6.20 \times 10^{25}\) atoms of sulfur?**
To solve this question, students will need to use the concept of molar mass and Avogadro's number. Here’s a step-by-step guide to help you:
1. **Determine Avogadro's Number:**
Avogadro's number is \(6.022 \times 10^{23}\) atoms per mole.
2. **Find the Molar Mass of Sulfur:**
The molar mass of sulfur (S) is approximately 32.07 grams per mole.
3. **Calculate the Number of Moles:**
Number of moles (n) = \(\frac{\text{Number of atoms}}{\text{Avogadro's number}}\)
\[
n = \frac{6.20 \times 10^{25} \text{ atoms}}{6.022 \times 10^{23} \text{ atoms/mole}}
\]
4. **Calculate the Mass:**
Mass (m) = Number of moles × Molar mass
\[
m = n \times 32.07 \text{ g/mole}
\]
Following these steps will allow you to find the mass of sulfur in grams.
### Tips:
- Always ensure that your units cancel properly in each step to avoid errors.
- Remember to use significant figures based on the given data in the problem.](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F1727c547-2849-418c-8c02-bad21df20f01%2Fd3cd5fc1-1d37-42ac-8ada-7328e180224e%2F541oigl_processed.jpeg&w=3840&q=75)
Transcribed Image Text:### Example Homework Problem:
**Question 6: What is the mass of \(6.20 \times 10^{25}\) atoms of sulfur?**
To solve this question, students will need to use the concept of molar mass and Avogadro's number. Here’s a step-by-step guide to help you:
1. **Determine Avogadro's Number:**
Avogadro's number is \(6.022 \times 10^{23}\) atoms per mole.
2. **Find the Molar Mass of Sulfur:**
The molar mass of sulfur (S) is approximately 32.07 grams per mole.
3. **Calculate the Number of Moles:**
Number of moles (n) = \(\frac{\text{Number of atoms}}{\text{Avogadro's number}}\)
\[
n = \frac{6.20 \times 10^{25} \text{ atoms}}{6.022 \times 10^{23} \text{ atoms/mole}}
\]
4. **Calculate the Mass:**
Mass (m) = Number of moles × Molar mass
\[
m = n \times 32.07 \text{ g/mole}
\]
Following these steps will allow you to find the mass of sulfur in grams.
### Tips:
- Always ensure that your units cancel properly in each step to avoid errors.
- Remember to use significant figures based on the given data in the problem.
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