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| 1. |
0.4422 gm. of an organic substance was treated according to Kjeldahl's method. The ammonia evolved was absorbed in 50 cc of 1N . The residual acid required 65.5 cc of N/2 alkaline solution. Find the percentage of nitrogen in the compound. |
| Answer» F nitrogen/grams of SAMPLE X 100% = PERCENTAGE of nitrogen in the unknown sample | |