To burn 1 molecule of c3h8 to form co2 and h2o how many molecules of o2 are required?

To burn 1 molecule of C3H8 we need 5 molecules of O2.

Explanation:

Step 1: Data given

Burning C3H8 means adding O2

C3H8 + O2

The products will be CO2 and H2O

Number of molecules of C3H8 = 1 molecule

Step 2: The balanced equation

C3H8 + 5O2 → 3CO2 + 4H2O

Step 3: Calculate number of molecules O2 needed

For 1 mol C3H8 we need 5 moles of O2 to produce 3 moles of CO2 and 4 moles H2O

To burn 1 molecule of C3H8 we need 5 molecules of O2.

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Explanation:

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