Question

The combustion of ammonia in the presence of excess oxygen yields NO2 and H2O:
4 NH3(g) + 7 O2(g) → 4 NO2(g) + 6 H2O(g)
The combustion of 43.9 g of ammonia produces ________ g of NO2.
A) 2.58
B) 178
C) 119
D) 0.954
E) 43.9