Asked by David
The osmotic pressure of a liquid at 320 K is 145 kPa. Calculate the freezing point of the solution.
Answers
Answered by
DrBob222
Is this a water solution? If not ignore what follows.
pi = MRT. Substitute and solve for molarity, then assume the molality is the same. (Remember to convert kPa to atmospheres.)
Then delta T = Kf*m
Solve for delta T and
pi = MRT. Substitute and solve for molarity, then assume the molality is the same. (Remember to convert kPa to atmospheres.)
Then delta T = Kf*m
Solve for delta T and
Answered by
David
the problem does not specify what the liquid is. that is part of my not understanding.
Answered by
David
help anyone?
Answered by
DrBob222
Wikipedia defines osmotic pressure as follows:
Osmotic pressure is the pressure which needs to be applied to a solution to prevent the inward flow of water across a semipermeable membrane.[1]
Defined in this manner I assume it is water we are talking about as the solvent.
You can read the article here.
http://en.wikipedia.org/wiki/Osmotic_pressure
Osmotic pressure is the pressure which needs to be applied to a solution to prevent the inward flow of water across a semipermeable membrane.[1]
Defined in this manner I assume it is water we are talking about as the solvent.
You can read the article here.
http://en.wikipedia.org/wiki/Osmotic_pressure
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