In a substance with 10.0 grams containing 5.452 grams of C, 0.9169 grams of H, and 3.631 grams of O, with a molar mass of 176.24 g/mol, what is the molecular formula?
a) C₄H₈O₃
b) C₅H₁₀O₄
c) C₆H₁₂O₅
d) C₇H₁₄O₆