N2 density which is obtained by removing O2, H2O(g) and CO2 from air is about 47
ID: 483511 • Letter: N
Question
N2 density which is obtained by removing O2, H2O(g) and CO2 from air is about 47% higher than the density of nitrogen which is obtained chemically. If we remove from air O2, H2O and CO2 (remaining 79.02% of the volume) there is mixture of nitrogen and another gas. The relative density of this gas compared to the density of hydrogen is 199.075. This gas is Argon. What is the volume fraction of Argon in the air? N2 density which is obtained by removing O2, H2O(g) and CO2 from air is about 47% higher than the density of nitrogen which is obtained chemically. If we remove from air O2, H2O and CO2 (remaining 79.02% of the volume) there is mixture of nitrogen and another gas. The relative density of this gas compared to the density of hydrogen is 199.075. This gas is Argon. What is the volume fraction of Argon in the air?Explanation / Answer
The mixture is:
78.09 by vol. N2
0.933 by vol Ar
so, recomposition:
78.09/(0.933+78.09) = 0.98819 wor 98.81 % will be N2
the other gas 100-98.81 = 1.19 % will be Argon
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