Answer:
1 molecule of oxygen has 2 atoms.
So 2,25 molecules of oxygen have 2 x 2,25 atoms.
2 x 2,25 = 4,5 atoms
There are 4,5 atoms in 2,25 molecules oxygen.
i have the same question
Explanation:
a) 1.567 x 10^9
b) 2.36 x 10^(-5)
