Chemistry, asked by AnisShaikhofficial, 9 months ago

Air contains 70% N2 and 30% O2 by moles. Find the average molar mass...

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Answers

Answered by Naina3843

36

Answer:

hope it will help you....

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Answered by ramtekerajni776

1

Answer:

Average atomic mass = ( 70 × 2) + (30 ×2) ÷ 100

= 140 + 60 ÷100

= 200 ÷100

= 2

The average atomic mass of the two elements N2

O2 is 2

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