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If average molecular wt. of air is 29, then assuming N2 and O2 gases are there which options are correct regarding composition of air:?
Verified Answer
If average molecular wt. of air is 29, then assuming N2 and O2 gases a...
Method to Solve :

Molar mass of Nitrogen gas = 14 � 2 = 28

Molar mass of oxygen = 16� 2 = 32

Ratio of the molar masses.

N₂ : O₂

28 : 32

7 : 8

The total mass is = 29

Nitrogen composition : (7/15) � 29 = 13.53g

Oxygen composition :( 8 / 15) � 29 = 15.45g

Oxygen has a higher concentration compared to Nitrogen.

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Most Upvoted Answer
If average molecular wt. of air is 29, then assuming N2 and O2 gases a...
Method to Solve :

Molar mass of Nitrogen gas = 14 x 2 = 28

Molar mass of oxygen = 16x 2 = 32

Ratio of the molar masses.

N₂ : O₂

28 : 32

7 : 8

The total mass is = 29

Nitrogen composition : (7/15) x 29 = 13.53g

Oxygen composition :( 8 / 15) x 29 = 15.45g

Oxygen has a higher concentration compared to Nitrogen.

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If average molecular wt. of air is 29, then assuming N2 and O2 gases are there which options are correct regarding composition of air:?
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