Question

How many moles of air are there in a 3 L container at 1 atm pressure and 294 K?Use PV=nRT

Answer 1

The ideal gas law states:
`PV=nRT`

If we put in the data.

`</p><p>1\cdot7=n\cdot8.31\cdot294 \\</p><p>n=\boxed{2.865\cdot10^(-3)mol}=\boxed{2.865mmol}</p><p>`

Hope this helps.

r3t40