What is the molefraction of helium in the solution

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If 2.00 g of helium gas and 4.00 g of oxygen gas are mixed together what is the molefraction of helium in the solution?

[A] 0.333

[B] 0.800

[C] 0.200

[D] 0.500

[E] 0.666

Reference no: EM131125046

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