A gas mixture input is given to a membrane with 20% O₂ and 80% N₂, the waste contains 60% of the input and the product contains 30% O₂ and 70% N₂, what are the number of moles of O₂ in the waste?

A gas mixture input is given to a membrane with 20% O₂ and 80% N₂,

1.	A gas mixture input is given to a membrane with 20% O₂ and 80% N₂, the waste contains 60% of the input and the product contains 30% O₂ and 70% N₂, what are the number of moles of O₂ in the waste?
A.	1
B.	2
C.	3
D.	Can’t be determined
Answer» E.

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