Problem: A sample of a hydrocarbon is combusted completely in O2(g) to produce 24.01 g CO2(g), 4.917 g H2O(g), and 342 kJ of heat.What is the mass of the hydrocarbon sample that was combusted?

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We are asked to calculate the mass of the hydrocarbon sample that was combusted.


We can calculate the mass of C and H based on the products.  


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Problem Details

A sample of a hydrocarbon is combusted completely in O2(g) to produce 24.01 g CO2(g), 4.917 g H2O(g), and 342 kJ of heat.

What is the mass of the hydrocarbon sample that was combusted?

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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 Calorimetry concept. You can view video lessons to learn Calorimetry. Or if you need more Calorimetry practice, you can also practice Calorimetry practice problems.