Problem: A mixture of C3H8 and C2H2 has a mass of 2.6 g. It is burned in excess O2 to form a mixture of water and carbon dioxide that contains 1.6 times as many moles of CO2 as of water.Find the mass of C2H2 in the original mixture.

🤓 Based on our data, we think this question is relevant for Professor Basu's class at IUPUI.

FREE Expert Solution

The balanced combustion reaction of both reactants are shown below:


Now we have to establish an equation based on the sum of the mass of C3H8 and C2H2 equal to the mass of the mixture. 

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Problem Details

A mixture of C3H8 and C2H2 has a mass of 2.6 g. It is burned in excess O2 to form a mixture of water and carbon dioxide that contains 1.6 times as many moles of CO2 as of water.

Find the mass of C2H2 in the original mixture.

Frequently Asked Questions

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.

What professor is this problem relevant for?

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