J.R. S. answered 12/13/19
Ph.D. University Professor with 10+ years Tutoring Experience
The first molecule is 2,3-dihydroxypentane. It has the molecular formula C5H12O2. The complete combustion reaction would be as follows:
C5H12O2 + 7O2 ==> 5CO2 + 6H2O ... balanced equation

J.R. S.
12/13/19
Harper L.
Thank you so much!12/13/19