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AleksAgata [21]
3 years ago
13

If 20 grams of N2 react completely with H2 , how many moles of NH3 are produced? Show Work

Chemistry
1 answer:
Maslowich3 years ago
5 0
This is the balanced eq
N2 + 3H2 -> 2NH3
first you need to find mole of N2 by using
mol = mass ÷ molar mass.
mol N2= 20g ÷ (14.01×2)g/mol
=0.7138mol
then look at the coefficient between H2 and NH3.
it is N2:NH3
1:2
0.7138:0.7138×2
0.7138:1.4276 moles
moles of NH3 = 1.4276 moles
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