Oxygen and nitrogen are present in a mixture in the ratio 1:4 by weight. Find the ratio between their molecules. Please explain the steps

Calculate the moles for N2 and O2 present in the sample.
Moles of O2 in sample = 1/32
Moles of N2 in sample = 4/28
Ratio between their molecules will be same as ratio between the moles of given sample.
Ratio between the molecules of O and N :
1/32 :: ‚Äč 4/28 = 7:32 

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