Using: N 2 + 3H 2  2NH 3 How many moles of NH 3 can you make from .41 moles of H 2

Question

The first 2's are subscripts and so is the 3 in NH 3.

Answer 1

N₂ + 3H₂ ==> 2NH₃ ... balanced equation

Use dimensional analysis and the mole ratios in the balanced equation:

0.41 mols H₂ x 2 mols NH₃ / 3 mols H₂ = 0.273 mols NH₃ = 0.27 moles NH₃ (2 sig, figs.)