MCQOPTIONS
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| 1. |
A gaseous mixture is composed of 20% CO2, 40% O2 and 40% N2. What is the mass fraction of N2? |
| A. | t0.307 |
| B. | t0.416 |
| C. | t0.529 |
| D. | t0.784 |
| Answer» B. t0.416 | |