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November 24, 2014

Homework Help: college chemistry

Posted by silver on Friday, February 18, 2011 at 7:50pm.

.361 g of a non-volatile solute is dissolved in 160.0 g of water. The solute does not react with water nor dissociate in solution. Assume that the resulting solution displays ideal Raoult's law behaviour. At 90 oC the vapour pressure of the solution is 5.1701102 torr. (The vapour pressure of pure water at 90 oC is 5.2580102 torr.) Calculate the molar mass of the solute (in g).


I keep getting 541.1g/mol. what am I doing wrong? Help me please

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