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The reaction between nitrogen and hydrogen to form ammonia is:

N2 + 3 H2 → 2 NH3

The above is the reaction for the Haber process in the industrial synthesis of ammonia.

For a given proportion of 3 N2 to 2 H2 (or in ratio terms equivalent to 4.5 N2 to 3 H2), we see that H2 is the limiting reactant.

Thus according to the stoichiometry of the reaction, 2 moles of H2 will form 1.33 moles of NH3.

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Q: When 3 moles of N2 reacts with 2 moles of H2 the number of produced moles of ammonia equal?
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