100 Kg mol of a gas mixture input is given to a membrane with 30% O2 and 70% N2, the waste contains 60% of the input and the product contains 10% O2 and 90% N2, what are the number of moles of O2 in the waste?

100 Kg mol of a gas mixture input is given to a membrane with 30% O2 a

1.	100 Kg mol of a gas mixture input is given to a membrane with 30% O₂ and 70% N₂, the waste contains 60% of the input and the product contains 10% O₂ and 90% N₂, what are the number of moles of O₂ in the waste?
A.	t12
B.	t16
C.	t34
D.	t42
Answer» D. t42