42,256 = 2,000
42,256 = 200
together they'd be 2,200 (if that's what you needed as well)
Becauze were made of LOTS of atoms actually ECERYTHING EVEN AIR is made of atoms
The volume of one mole of any gas at STP is 22.4 L. So, at STP, the volume of 2.00 moles of hydrogen gas would be (22.4 L/mol)(2 mol H2) = 44.8 L.
