An unknown compound contains only C,H, and O. Complete combustion of 7.40g of this compound produced 18.1g COâ‚‚ and 7.40g Hâ‚‚O. What is the empirical formula of the unknown compound? Insert subsc
a) CHâ‚‚O
b) Câ‚‚Hâ‚„Oâ‚‚
c) C₃H₆O₃
d) C₄H₈O₄
