Engineering
Chemistry
Mole and Its Calculation
Question

The ratio of masses of oxygen and nitrogen in a particular gaseous mixture is 1: 4. The ratio of number of their molecule is :

7 : 32

3 : 16

1 : 4

1 : 8

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Solution

O2 and N2

 Let may be                    x                     4x

          moles             x32                 4x28

  ratio of molecules will be 7 : 32