A gaseous mixture is composed of 20% CO2, 40% O2 and 40% N2. What is t – McqOptions

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1.	A gaseous mixture is composed of 20% CO2, 40% O2 and 40% N2. What is the mass fraction of N2?
A.	0.307
B.	0.416
C.	0.529
D.	0.784
Answer» B. 0.416

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