Question

calculate averaga molecular mass of ozone .20% of it decomposes to oxygen. Also calculate the vapour density of mixture.​

Answer 1

Answer:

Explanation:

Mol mass of mixture =2×38.3=76.6  

No. of moles in 100 g of mixture =  

76.6

100

​  

 

Let a g of NO  

2

​  

 is present in mixture.  

MolesofNO  

2

​  

+MolesofN  

2

​  

O  

4

​  

=Molesofmixture

46

a

​  

+  

92

100−a

​  

=  

76.6

100

​  

 "or" a=20.10g

Moles of NO  

2

​  

 in mixture =  

46

20.10

​  

=0.437