chem

[JamiePena]

A. A mole of oxygen atoms contains ________ atoms.
B. A mole of oxygen molecules contain_________ molecule.
C. A mole of oxygen molecules contain ________ atoms.
D. A mole of oxygen atoms has a mass of _______ grams.
E A mole of oxygen molecules has a mass of ______ grams.

[jaelen]

Ok, I'm going to make this answer short, just remember that:

--->N (Avogadro's number)=6.022x10^23

A) N
B) N
C) 2xN (one molecule has 2 atoms)
D) 16g
E) 32g (it has twice the atoms so it's twice the weight)


Just replace N with the number I provided and those are the answers ^^