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Question
Trimellitic acid is an organic acid that has a composition of 51.44% C, 2.88% H, and 45.68% O by mass. A 5.02-g sample of trimellitic acid dissolved in 20 g of acetone, CH3COCH3, has a boiling point of 58.24C. What is the molecular formula of trimellitic acid? (Kb for acetone is 1.71ºC/m, and pure acetone has a boiling point of 56.20ºC.)A) CH2O
B) C9H6O6
C) C3HO2
D) C18HO16
E) C6H2O4
Answer
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