Problem: If 1.5 mol of each of the following compounds is completely combusted in oxygen, which one will produce the largest number of moles of H2O?C2H5OH, C3H8, CH3CH2COCH3.

FREE Expert Solution

We’re being asked to determine which of the following compounds will produce the largest number of moles of H2O if 1.5 mol of each is completely combusted in oxygen, O2.


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


Step 1: Write and balance a chemical equation for the combustion reaction of each given compound.

Step 2: Calculate the moles of H2O produced for 1.5 mol of each reactant


The flow of the solution will be like this:


moles reactant (mole-to-mole comparison) → moles H2


Recall that in a complete combustion reaction, the products are CO2 and H2O

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Problem Details

If 1.5 mol of each of the following compounds is completely combusted in oxygen, which one will produce the largest number of moles of H2O?
C2H5OH, C3H8, CH3CH2COCH3.

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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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