Answer:
10.7 g of H₂. Last option
Explanation:
The reaction shows that 1 mol of N₂ reacts with 3 moles of hydrogen to produce ammonia.
Let's make a rule of three with the reactant, to find the relation.
We need to convert the mass of N₂ to moles
50 g / 28g/mol = 1.78 moles
The equation is: N₂ + 3H₂ → 2NH₃
Ratio is 1:3
1 mol of N₂ reacts with 3 moles of hydrogen to produce ammonia
Therefore 1.78 moles will react with (1.78 . 3 ) / 1 = 5.36 moles
We convert the moles to mass to find out the answer
5.36 mol . 2g / 1 mol = 10.7 g
