7.00 g of a gas occupies a volume of 4.1 L at 300 K and 1 atm pressure. What is the molecular mass of the gas?

Explanation

To find the molecular mass of the gas, we can use the ideal gas law and the relationship between moles and mass. Here’s a step-by-step solution:

### Step 1: Write down the Ideal Gas Law
The ideal gas law is given by the equation:
\[ PV = nRT \]
Where:
- \( P \) = pressure (in atm)
- \( V \) = volume (in liters)
...