Asked by ashley
What mass of sucrose should be combined with 491 g of water to make a solution with an osmotic pressure of 8.70 atm at 270 K? (Assume the density of the solution to be equal to the density of the solvent.)
Answers
Answered by
DrBob222
pi = MRT
Substitute for pi, R, and T. Solve for molarity = M.
Then M = moles/L.]
You know L and M, solve for moles.This assumes that the volume of the solution is the same as the volume of the solvent.
Then moles = grams/molar mass. You know moles and molar mass, solve for grams.
Substitute for pi, R, and T. Solve for molarity = M.
Then M = moles/L.]
You know L and M, solve for moles.This assumes that the volume of the solution is the same as the volume of the solvent.
Then moles = grams/molar mass. You know moles and molar mass, solve for grams.
Answered by
Anonymous
65.995
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