MCQOPTIONS
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| 1. |
A liquid mixture of O₂, CH₄ and CO has the composition 32% O₂, 16% CH₄ and 52% CO, then what is the mole fraction of CH₄? |
| A. | 0.1 |
| B. | 0.2 |
| C. | 0.25 |
| D. | 0.5 |
| Answer» C. 0.25 | |