Chemistry Practice Problems Stoichiometry Practice Problems Solution: How many moles of NH3 can be produced from 15.0 mo...

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Solution: How many moles of NH3 can be produced from 15.0 mol of H2 and excess N2? Express your answer numerically in moles. 

Problem

How many moles of NH3 can be produced from 15.0 mol of H2 and excess N2? Express your answer numerically in moles. 

Solution

We’re being asked to calculate the moles of NH3 produced by the reaction of 15.0 mol H2 and excess N2


For this problem, we need to do the following steps:

Step 1: Write and balance a chemical equation for the given reaction.

Step 2: Calculate the moles of NH3 produced.



Step 1: From the problem, the given reaction is:

N2 + H2 → NH3


This equation is not yet balanced. To balance it, we have to make sure that the number of elements on both sides is equal.


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