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Suppose a chemical reaction generated a 50% nitrogen/ 50% oxygen (by volume) mixture of gas that...

Suppose a chemical reaction generated a 50% nitrogen/ 50% oxygen (by volume) mixture of gas that had a total volume of 22.4 liters at STP. This gas is sample is composed of: A. 1 mole of nitrogen and 1 mole of oxygen B. 0.5 mole of nitrogen and 1 mole of oxygen C. 50 mole of nitrogen and 50 mole of oxygen D. 28 mole of nitrogen and 32 mole of oxygen.

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