Answer:
134.4 L
Step-by-step explanation:
At standard temperature and pressure (S.T.P) one mole of any given gas occupies 22.414 dm^3 or 22.414 L (as 1 dm^3 = 1 L ).
So 2 moles at S.T.P would occupy: 2 x 22.414 L = 44.8 L
Similarly,
6 moles of a gas at S.T.P would occupy: 6 x 22.414 = 134.4 L