Question

Your chemistry teacher got mixed up! Help her connect the gas to the molar mass she calculated but didn't label.
32.0 g/mol 28.0 g/mol 64.1 g/mol 38.0 g/mol 48.0 g/mol
Oxygen gas, Nitrogen gas, Sulfur dioxide, Ozone, Flourine gas.

Answer 1

To connect the gases to their respective molar masses, we can look at the chemical formulas and calculate their molar masses.

1. **Oxygen gas (O₂)**:
- Molar mass = 16.0 g/mol (for O) × 2 = **32.0 g/mol**

2. **Nitrogen gas (N₂)**:
- Molar mass = 14.0 g/mol (for N) × 2 = **28.0 g/mol**

3. **Sulfur dioxide (SO₂)**:
- Molar mass = 32.1 g/mol (for S) + 16.0 g/mol (for O) × 2 = 32.1 g/mol + 32.0 g/mol = **64.1 g/mol**

4. **Ozone (O₃)**:
- Molar mass = 16.0 g/mol (for O) × 3 = **48.0 g/mol**

5. **Fluorine gas (F₂)**:
- Molar mass = 19.0 g/mol (for F) × 2 = **38.0 g/mol**

Now we can match the gases to their molar masses:

- **Oxygen gas (O₂): 32.0 g/mol**
- **Nitrogen gas (N₂): 28.0 g/mol**
- **Sulfur dioxide (SO₂): 64.1 g/mol**
- **Ozone (O₃): 48.0 g/mol**
- **Fluorine gas (F₂): 38.0 g/mol**

This should help your teacher with the correct associations!