Question

Out of 1.0g oxygen gas , 1.0g of oxygen atoms and 1.0g  of ozone , the maximum number of atoms are contained in
(a)1.0g of oxygen gas
(b)1.0g of oxygen atoms
(c)1.0g of ozone
(d)All contain same number of atoms       
Why?

Answer 1

i feel the answer is d) all of these

Answer 2

option D all of these is the answer