What mass of carbon dioxide is produced from combustion of 100.0 grams of propane (C^3H^8)

Mass of CO₂ produced = 299.64 g  

Explanation:

Given data:

Mass of CO₂ produced = ?

Mass of propane (C₃H₈) = 100.0 g

Solution:

Chemical equation:

C₃H₈ + 5O₂     →        3CO₂ + 4H₂O

Number of moles of propane:

Number of moles = mass/molar mass

Number of moles = 100.0 g/  44.1 g/mol

Number of moles = 2.27 mol

Now we will compare the moles of propane and carbon dioxide.

                 C₃H₈          :          CO₂

                    1              :            3

                  2.27          :           3/1×2.27  = 6.81 mol

Mass of CO₂:

Mass = number of moles × molar mass

Mass = 6.81 mol × 44 g/mol

Mass = 299.64 g  

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