Determining molecular weight

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Stumped
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Joined: Sat Sep 27, 2008 8:12 pm

Determining molecular weight

Post by Stumped »

What is the molecular weight of a solute, which has i = 5, and is placed in 5430 g of nitrobenzene, if the freezing point is lowered to 3.29°C and the mass of the solute is 37.8 g? I keep coming up with 124g/mol, but that is not one of the multiple choices given.
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