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March 29, 2015

Homework Help: chemistry

Posted by hereyago on Thursday, April 19, 2012 at 2:39am.

The procedure described in this experiment was used to determine the molar mass of unknown liquid (non-electrolyte). The solution was made by mixing 0.961 g of the unknown with 100.0 g of water. The freezing point depression of the solution was −3.7C. Calculate the molar mass of the unknown. Assume that the molal freezing point depression constant of water is 1.86Ckg/mol and that the freezing point of water is 0.00C.

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