# Answer to Question #68928 in Molecular Physics | Thermodynamics for DEEPENDRA SINGH

Question #68928

when 20ml mixture of O2 and O3 is burned.volume became 29ml and invisible in basis payregalol solution.what is the volume% of oxygen gass in real mixture?

Expert's answer

The reaction equation

2O_3 → 3O_2

x+y=20

3/2 x+y=29

Thus,

1/2 x=29-20=9

So,

x=2(9)=18.

y=20-18=2.

The volume% of oxygen gas in real mixture is

2/20 100%=10%.

2O_3 → 3O_2

x+y=20

3/2 x+y=29

Thus,

1/2 x=29-20=9

So,

x=2(9)=18.

y=20-18=2.

The volume% of oxygen gas in real mixture is

2/20 100%=10%.

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