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Chemistry 15 Online
OpenStudy (anonymous):

A solution contains 10.20 g of unknown non-volatile, non-ionizing compound in 50.0 mL of water. (Assume a density of 1.00 g/mL for water.) The freezing point of the solution is -4.21 °C. What is the molecular weight for the unknown compound? The Kf for water is 1.86 °C/m.

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