Question

What is the pressure in a 5.00 L tank with 49.00 grams of oxygen gas at 350 K? ___atm

Answer 1

The right answer is "8.81 atm".

Step-by-step explanation:

Given:

V = 5.00 L

Mass = 4900 g

MW = 32 g/mol

T = 350 K

Now,

Number of moles will be:

`n = (Mass)/(MW)`

`=(49.00)/(32)`

`=1.53125 \ mole`

By using the ideal gas equation, we get

⇒
`PV=nRT`

or,

⇒
`P=(nRT)/(V)`

By substituting the values, we get

`=(1.53125* 0.0821* 350)/(5.00)`

`=(44.1)/(5.00)`

`=8.81 \ atm`