Ah, this is actually a fairly simple chemistry question.
Recall that at STP, one mole is equivalent to 22.4 L. Knowing this, all you have to do is divide 500 L by 22.4 L to find the number of moles:
500/22.4 = 22.3 mol
-T.B.
I believe the correct answer is C, but I'm 100% on this. Hope this helped though!
-TTL
Answer:
28 is great.......... it should be snSwer
The two oxygen atoms share two pairs of electrons, so two covalent bonds hold the oxygen molecule together
