A 606-Gram Sample of a Compound Is Dissolved in 250

question 76

Multiple Choice

A 6.06-gram sample of a compound is dissolved in 250.grams of benzene.The freezing point of this solution is 1.02°C below that of pure benzene.What is the molar mass of this compound? (Note: K_f for benzene = 5.12°C/m. ) Ignore significant figures for this problem.

• A)30.4 g/mol
• B)122 g/mol
• C)243 g/mol
• D)4.83 g/mol
• E)60.8 g/mol

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