Burning 2.00g of propane, C3H8, produces 99.78 kJ of energy. How much energy is produced when one mole of the propane burns?
The question tells you how much energy is produced when a certain mass of propane is burned. To figure out how much energy is produced when one mole of propane burns, you will use this information, but you will also need to figure out how to convert moles of propane to mass of propane, or vice versa. Here is one way to ...
The solution contains a description of how to approach this type of problem, in addition to the step by step calculations required to reach the final answer (which is included in the solution).