A gas mixture of 40% He and 60% Ne is passed through a diffusion tube, if the amount of He is recovered is 20% of the input, what is the percentage of He in the product?

A gas mixture of 40% He and 60% Ne is passed through a diffusion tube,

1.	A gas mixture of 40% He and 60% Ne is passed through a diffusion tube, if the amount of He is recovered is 20% of the input, what is the percentage of He in the product?
A.	25 %
B.	33.3 %
C.	50 %
D.	66.6 %
Answer» B. 33.3 %

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A gas mixture of 40% He and 60% Ne is passed through a diffusion tube, if the amount of He is recovered is 20% of the input, what is the percentage of He in the product?

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