Question

At STP, 1.00 moles of a gas occupies what volume?

Answer 1

1.00 mole of a gas occupies at STP. So it = 22.4 L.
1 atm = 101.3 kPa = 760 mm Hg ; K = 273 + C ; 1 L = 1,000 mL ; R = 0.0821 (atm.L)/(mol.K)