MCQOPTIONS
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| 1. |
If a urea (NH2CONH2) contains 45% (by mass) N2, what is the actual urea content in the sample? |
| A. | 103.7 kg |
| B. | 96.4 kg |
| C. | 9.65 kg |
| D. | 10.4 kg |
| Answer» C. 9.65 kg | |