Answer to Question #328156 in General Chemistry for den

Question

Billie combined 200 grams of N2 and 100 grams H2 to produce 230 grams of ammonia. Determines the limiting reagent, excess reagent, percent yield and theoretical yield of the reaction. show the steps on how you came up with your answer

Answer 1

N₂ + 3H₂ = 2NH₃

n(N₂)=m(N₂)/Mr(N₂)=200g / 28g/moll = 7.14 moles

n(H2) = m(H2)/3Mr(H2) = 100g / 6g/moll = 16.67 moles

H₂ excess reagent

N₂ limiting reagent

m(NH₃) = ( m(N₂)*Mr(NH₃) ) / Mr(N₂) = (200g * 34g/moll) / 28g/milk = 242.86g - theoretical yield

percent yield = (230/242.86)*100% = 94.7%