calculate the number of ozone molecules and that of oxygen atom present in 64gram of molecule
Number of Ozone molecules = (64g/ molar mass of ozone)x 6.023 x1023= (64/48)x6.023 x1023
Number of oxygen atoms=(64g/ atomic mass of oxygen)x 6.023 x1023 = (64/32)x6.023 x1023