Analysis of a carbohydrate showed that it consisted of 40.0 % C, 6.71 % H and 53.3 % O by mass. Its molecular mass was found to be between 140 and 160 amu. What is the molecular formula of this compound? A) C₄H₈O₆ B) C₅H₁₀O₅ C) C₅H₁₂O₅ D) C₆H₁₂O₄ E) None of these choices is correct.

Question

Quizplus · Accepted Answer

The empirical formula based on the given percentages is C₅H₁₀O₅, which matches the molecular mass range of 140-160 amu.

Analysis of a Carbohydrate Showed That It Consisted of 40