A liquid mixture composed of 20% CH₄, 30% C₂H₄, 35% C₂H₂, and 15% C₂

Question

A liquid mixture composed of 20% CH₄, 30% C₂H₄, 35% C₂H₂, and 15% C₂H₂O. What is the average molecular weight of the mixture?

Options:

A . 20

B . 25

C . 6.75

D . 9.25

Answer: Option B
Answer: (b).25

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