Asked by krista
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?
Answers
Answered by
DrBob222
delta T = Kb*m
Solve for m = molality
m = moles/Kg solvent
Solve for moles.
moles = grams/molar mass
solve fr molar mass.
Solve for m = molality
m = moles/Kg solvent
Solve for moles.
moles = grams/molar mass
solve fr molar mass.
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