htooknyaw6089 htooknyaw6089
  • 17-06-2017
  • Chemistry
contestada

A 7.1-g sample of n2 requires ________ g of h2 for complete reaction.

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davidka25 davidka25
  • 17-06-2017
Approximately 1.52g of H2 is required to complete this chemical reaction:
N2 + 3H2 = 2NH3
The masses: 28+6=34g
Hope could help :)
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dec77cat dec77cat
  • 17-06-2017
N₂ + 3H₂ = 2NH₃

m(N₂)=7.1 g
M(N₂)=28.0 g/mol
M(H₂)=2.0 g/mol

m(N₂)/M(N₂)=m(H₂)/3M(H₂)

m(H₂)=3M(H₂)m(N₂)/M(N₂)

m(H₂)=3*2.0*7.1/28.0=1.52 g
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