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Part 1 (1.7 points) luf See Periodic Table See Hint Urea is a common tertilizer with the formula CO(NH)); that is sometimes used as a

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Part 1 (1.7 points) luf See Periodic Table See Hint Urea is a common tertilizer with the formula CO(NH)); that is sometimes used as a chemical de-Icer for icy road surfaces in the winter months. Adding a solute to a solvent causes the freezing point to be lowered and allows the solvent to remain liquid at lower temperatures The value of K for water is 186C/m, and its normal freezing point is 0.00C. Urea is a nonvolatile nonelectrolyte solute; What molality of urea is required to lower the freezing point of ice water by 2.93C? m Part 2 (1.7 points) See Hint Using your answer from Part 1. calculate the mass of urea that must be added to 484 mL of water (density 1.00 g/ml) to lower the freezing point by 2.93C mass of urea- Part 3 (1.7 points) See Hint Other common chemical de-Icers include Naci,MgCl2, and Cala wo Part 3 (1.7 points) See Hint Other common chemical de cers include Na, MgCla, and Cacia Rank the following solutions in order of increasing freeting point Question List (4 items) Drag and drop into the appropriate area) 0.150 m 100 m 10 ca 100 Freezing Paint Ranking

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