Answer:
3.99
Explanation:
1 grams Nitrogen to mol = 0.07139 mol
10 grams Nitrogen to mol = 0.71394 mol
20 grams Nitrogen to mol = 1.42789 mol
30 grams Nitrogen to mol = 2.14183 mol
40 grams Nitrogen to mol = 2.85578 mol
50 grams Nitrogen to mol = 3.56972 mol