1.

A gas mixture consists of 3 kg of O2, 5 kg of N2 and 12 kg of CH4. The mass fraction and mole fraction of O2 are

A. 0.25 and 0.125
B. 0.15 and 0.092
C. 0.25 and 0.092
D. 0.15 and 0.125
Answer» C. 0.25 and 0.092


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