Asked by Stephany

What mass of glycerin (C3H8O3), a nonelectrolyte, must be dissolved in 216.2 g water to give a solution with a freezing point of -1.62 °C?
Answered by DrBob222
delta T = Kf*molality.
Solve for molality.

molality = moles/kg solvent.
Solve for moles.

moles = grams/molar mass.
Solve for grams.
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