Asked by Amber
What mass of glycerin (), a nonelectrolyte, must be dissolved in 200.0 g water to give a solution with a freezing point of –0.900°C?
Answers
Answered by
DrBob222
delta T = Kf*molality
Substitute for delta T and Kf and solve for molality.
m = mols/kg solvent
substitute for m and kg solvent and solve for mols.
mols = grams/molar mass
Substitute for mol and molar mass and solve for grams glycerin.
Substitute for delta T and Kf and solve for molality.
m = mols/kg solvent
substitute for m and kg solvent and solve for mols.
mols = grams/molar mass
Substitute for mol and molar mass and solve for grams glycerin.
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