A sample of impure air contains 80% N2 , 10% O2 , 5% CO2 and 5% Ar by moles. The average molar mass of the sample is: (Ar=40) A) 29.4 B) 29.6 C) 29.8 D) 40

A sample of impure air contains 80% N2 , 10% O2 , 5% CO2 and 5% Ar b

1.	A sample of impure air contains 80% N2 , 10% O2 , 5% CO2 and 5% Ar by moles. The average molar mass of the sample is: (Ar=40) A) 29.4 B) 29.6 C) 29.8 D) 40
Answer» tion:OPTION D is the RIGHT answer.Plzz MARK this QUESTION as Brainliest.

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A sample of impure air contains 80% N2 , 10% O2 , 5% CO2 and 5% Ar by moles. The average molar mass of the sample is: (Ar=40) A) 29.4 B) 29.6 C) 29.8 D) 40

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