Answer to Question #339223 in General Chemistry for bob

Question

What mass of nitrogen is needed to react with 21.25 g of hydrogen?

Answer 1

N₂ + 3H₂ = 2NH₃

m(N₂) = (m(H₂)•Mr(N₂)) / 3Mr(H₂)

m(N₂) = (21.25 g • 28 g/mol) / 3 • 2 g/mol = 99.17 g