The number of atoms of oxygen present in 11.2 litres of ozone (O3) at N.T.P. are__________________? August 24, 2021March 4, 2019 by admin The number of atoms of oxygen present in 11.2 litres of ozone (O3) at N.T.P. are__________________? A. 3.01 × 1022 B. 6.02 × 1023C. 9.03 × 1024 D. 1.20 × 1024