How many oxygen atoms are present in 2.50 mol of:
a) oxygen atoms
b)oxygen molecules
I found the amount of oxygen atoms in 2.50 moles but I am confused in b)oxygen molecules? How do I find that?

Question

How many oxygen atoms are present in 2.50 mol of:
a) oxygen atoms
b)oxygen molecules
I found the amount of oxygen atoms in 2.50 moles but I am confused in b)oxygen molecules? How do I find that?

abhisar · Answer

Hello @Mateaus !

anonymous · Answer

Hello, I got confused when I saw molecules on this question

abhisar · Answer

one molecule of oxygen contains 2 atoms.

abhisar · Answer

One mole of oxygen molecule will contain 6.022 ×10$^23$, so one mole will contain 2*6.022 ×10$^23$ oxygen atoms

anonymous · Answer

@Abhisar how do you figure out one molecule of oxygen contains 2 atoms?

abhisar · Answer

The molecular formula of oxygen is $\large\ O_2$