Question

A mixture of N2 and O2 consists 84% Nitrogen gas by weight how many molecules of oxygen ate present in 100 gram sample of this mixture ?(n=14, o=16)​

Answer 1

Pressure of NO

2

→90−63

= 27 cm of Hg

76 cm of Hg→1atm

27 cm of Hg→

76

27

cm

P

Total

P

N

2

= Male fraction

Male fraction N

2

=

76

90

76

27

=

90

27

=

10

3

=0.3