Question

How many moles of water are produced by the complete combustion of 14.4g of C5H12?

Answer 1

C5H12 + 8O2 ==> 5CO2 + 6H2O
mols C5H12 = grams/molar mass
Use the coefficients to convert mols C5H12 to mols H2O.

Answer 2

1.197