Problem: a. How many moles of NH3 can be produced from 16.5 mol of H 2 and excess N2?b. How many grams of NH3 can be produced from 3.78 mol of N 2 and excess H2.c. How many grams of H 2 are needed to produce 11.05 g of NH3 ?d. How many molecules (not moles) of NH3 are produced from 2.92 × 10−4 g of H2?

The balanced reaction for this will appear as:

N₂ (g) + 3 H₂ (g) → 2 NH₃(g)

a. moles of NH₃:

$mol {NH}_{3} = 16.5 mol H_{2} (\frac{2 mol {NH}_{3}}{3 mol H_{2}})$

mol NH₃= 11 mol NH₃

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a. How many moles of NH₃ can be produced from 16.5 mol of H ₂ and excess N₂?

b. How many grams of NH₃ can be produced from 3.78 mol of N ₂ and excess H₂.

c. How many grams of H ₂ are needed to produce 11.05 g of NH₃ ?

d. How many molecules (not moles) of NH₃ are produced from 2.92 × 10⁻⁴ g of H₂?

What scientific concept do you need to know in order to solve this problem?

Our tutors have indicated that to solve this problem you will need to apply the Stoichiometry concept. You can view video lessons to learn Stoichiometry. Or if you need more Stoichiometry practice, you can also practice Stoichiometry practice problems.

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Based on our data, we think this problem is relevant for Professor Bindell's class at UCF.