Asked by Court
a solution containing 100g of unknown liquid and 900g water has a freezing point pf -3.33 C. given kf=1.86 degrees c for water, the moelcular weight of the unknown liquid is what?
Answers
Answered by
DrBob222
delta T = Kf*molality
Solve for m
m = #moles/kg solvent
Substitute m and kg solvent, solve for # moles.
# moles = grams/molar mass
You have #moles and grams, solve for molar mass.
Solve for m
m = #moles/kg solvent
Substitute m and kg solvent, solve for # moles.
# moles = grams/molar mass
You have #moles and grams, solve for molar mass.
There are no AI answers yet. The ability to request AI answers is coming soon!
Submit Your Answer
We prioritize human answers over AI answers.
If you are human, and you can answer this question, please submit your answer.