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The freezing point of benzene, C6H6, is 5.500 °C at 1 atmosphere.  Kf(benzene) = 5.12 °C/m In a laboratory ex...

The freezing point of benzene, C6H6, is 5.500 °C at 1 atmosphere.  Kf(benzene) = 5.12 °C/m

In a laboratory experiment, students synthesized a new compound and found that when 11.70 grams of the compound were dissolved in 269.8 grams of benzene, the solution began to freeze at 4.730 °C. The compound was also found to be nonvolatile and a non-electrolyte.  

What is the molecular weight they determined for this compound?  

___?___ g/mol

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Answer #1

It of solvent - If of solution = kx molality Todo (may x 2 mass of seh ss mars of solvent 4.73= kft nolaimais) sohnte M > (5.

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