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)C ₄H ₈O ₆ B)C ₅H ₁₀O ₅ C)C ₅H ₁₂O ₅ D)C ₆H ₁₂O ₄ E)None of these choices are 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