3.00 g of propane is combusted. What minimum volume of oxygen at SATP is required for a complete reaction?

Answer 1

C3H8 + 5O2 ==> 3CO2 + 4H2O
mols C3H8 = grams/molar mass = 3/44 = 0.0682 = n
Use PV = nRT. Use n calculated above and substitute SATP conditions.
Post your work if you get stucl.