Question

N₂ + 3 H₂ → 2 NH₃ 

(The atomic mass of nitrogen is 14, and that of hydrogen is 1) 

1 mole of nitrogen (……..g) + 

3 moles of hydrogen (………g) → 

2 moles of ammonia (………g)

Answer 1

1 mole of nitrogen (28 g) + 

3 moles of hydrogen (6 g) → 

2 moles of ammonia (34 g)