# chemistry

A solution of 11.7 g of fructose in 325 g of ethanol has a boiling point of 78.59 C. The boiling point of ethanol is 78.34 C and kb for ethanol is 1.2 C/m. What is the molecular weight of fructose?

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1. delta T = Kb*m
Solve for m = molality

m = moles/Kg solvent
Solve for moles.

moles = grams/molar mass
solve fr molar mass.

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