A gaseous mixture composed of 20% CH4, 30% C2H4, 35% C2H2, and 15% C2H – McqOptions

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1.	A gaseous mixture composed of 20% CH4, 30% C2H4, 35% C2H2, and 15% C2H2O. What is the average molecular weight of the mixture?
A.	20
B.	25
C.	6.75
D.	9.25
Answer» D. 9.25

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