# What is the mass of a sample of CO2 if it is held at 24 degrees C, 0.544 atm in a 3.00L flask?

##### 1 Answer

Nov 14, 2015

#### Answer:

2.94g

#### Explanation:

Use the ideal gas law (

Since the question asks for mass, if we find the number of moles of

If we want to solve for moles,

Plug in values:

Remember, the temperature must be in Kelvin, not Celsius.