# If 28.0 g of methane gas (#CH_4#) are introduced into an evacuated 2.00-L gas cylinder at a temperature of 35°C, what is the pressure inside the cylinder?

##### 1 Answer

The pressure of the methane gas will be 22.2 atm.

#### Explanation:

Use the ideal gas law with the formula

Determine the mole of

**Ideal Gas Law**

**Given/Known**

**Unknown**

Pressure,

**Solution**

Rearrange the formula to isolate