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A 2.00-g sample of a large biomolecule was dissolved in 15.0 g carbon tetrachloride. The
Chapter 11, Problem 11.91(choose chapter or problem)
QUESTION:
A 2.00-g sample of a large biomolecule was dissolved in 15.0 g carbon tetrachloride. The boiling point of this solution was determined to be 77.858C. Calculate the molar mass of the biomolecule. For carbon tetrachloride, the boiling-point constant is 5.038C ? kg/mol, and the boiling point of pure carbon tetrachloride is 76.508C.
Questions & Answers
QUESTION:
A 2.00-g sample of a large biomolecule was dissolved in 15.0 g carbon tetrachloride. The boiling point of this solution was determined to be 77.858C. Calculate the molar mass of the biomolecule. For carbon tetrachloride, the boiling-point constant is 5.038C ? kg/mol, and the boiling point of pure carbon tetrachloride is 76.508C.
ANSWER:Molar mass = (Boiling point of solution - Boiling point of solven