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aro webapps Line Group Servi SB Desmos Graphing X Business E ur ses/-22072-jevoutline?legacyUrl-%2525 ces EF.. Remaining Time: 29 minutes, 30 seconds. Question Completion Status: QUESTION1 Which of the following aquesous solutions has the lowest freezing point? O 0.19m KBr 0.11 m Ba(NO3)2 pure water 0.20m C2H602 (ethylene gylcol) 0.15m Na2CO3 QUESTION 2 Which of the following aquesous solutions has the highest freezing point? pure water Click Save and Submit to save and submit. Click Save All Answers to save all ansuwers

Explanation / Answer

0.20m C2H6O2 (ethylene glycol) has the lowest freezing point.

Explanation: freezing point depends on Vant'Hoff factor. The solution with least Vant' Hoff factor has lowest freezing point and the solution which has highest Vant' Hoff factor will have highest freezing point. Ethylene glycol has vant'Hoff factor 1 so it has lowest freezing point.

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