MCQOPTIONS
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| 1. |
A gaseous mixture contains 14 kg of N2, 16 kg of O2 and 17 kg of NH3. The mole fraction of oxygen is |
| A. | 0.16 |
| B. | 0.33 |
| C. | 0.66 |
| D. | 0.47 |
| Answer» C. 0.66 | |