Asked by Anonymous

A solution of 100g of water contains 23 g of table salt. At what temperature will it begin to freeze?
Answered by bobpursley
molality m= moles salt/kg of water


freezing point depression = .52C * m
Answered by Anonymous
Thanks, I got -2.08 Celsius. Where did the "freezing point depression = .52C * m" come from?
Answered by DrBob222
delta T = K <sub>f</sub>*molality
K <sub>f</sub> is the molal freezing point constant for water.
Answered by DrBob222
K<sub>f</sub> = 1.86 degrees C/m for water.
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