The freezing point of benzene C6H6 is 5.50°C at 1 atmosphere. A nonvolatile, non

Chemistry
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The freezing point of benzene C6H6 is 5.50°C at 1 atmosphere. A nonvolatile, nonelectrolyte that dissolves in benzene is DDT 


How many grams of DDTC14H9Cl5 (354.5 g/mol), must be dissolved in 245.0grams of benzene to reduce the freezing point by 0.400°C ?

 g DDT.
May 28th, 2015

This question is in progress and shall complete in 1 day, then check... Thanks in advance.

May 28th, 2015

(0.400°C) / (2.65°C/m) = 0.1509 m

0.1509 m / (1000 g) x (245.0 g) = 0.03698 mol

(0.03698 mol) x (354.5 g/mol) = 13.12 g C14H9Cl5

Best of Luck

May 29th, 2015

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