iuthvK1011 iuthvK1011

07-03-2024
Chemistry

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Density of dry air containing only ( N₂ ) and ( O₂ ) is ( 1.15 , g/L ) at ( 740 , mm ) of Hg and ( 300 , K ). What is the composition of ( N₂ ) by mass in the air?
a. ( 28.0% )
b. ( 72.0% )
c. ( 78.0% )
d. ( 22.0% )

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