You breathe in 12.0 L of pure oxygen at 298 K and 1000 kPa to fill your lungs.

How many moles of oxygen did you take in?

Use the ideal gas law: PV = nRT where R=8.31 L−kPa/mol−K

Responses

0.05 mole
1.21 moles
2.42 moles
4.84 moles