Question

Which of the following contains maximum mass of oxygen :
(Given : gm atomic mass C = 12 gm, O = 16 gm, S = 32 gm, H = 1 gm)
(1)11 gm CO2
(2)32 gm SO2
(3)5.6 litre NO at NTP
(4)200 mL H2SO4(1) (density 0.98 gm/mL]
​

Answer 1

Answer:

No of moles = No of gram atoms

2 grams of hydrogen contains

1

2

=2 gram atoms.

28 grams of nitrogen contains

14

28

=2 gram atoms.

64 grams of sulphur dioxide contains

64

64

=1 gram atoms.

And, 256 grams of sulphur contains

32

256

=8 gram atoms.

Hence, option D is correct.