Answer to Question #283250 in Inorganic Chemistry for Loco Kilo

Question

1.    Determine the boiling and freezing point of a 0.10 molal aqueous NaCl solution.

2.    A solution is prepared by dissolving 27g of urea, (NH2)2CO, in 100g of water. Calculate the boiling and freezing point of the solution. Urea is a nonelectrolyte.

3.    How many grams of table salt must be added to half a liter of water to raise its boiling point by 15°C?

4.    How many grams of table salt must be added to half a liter of water to lower its freezing point by 10°C?

Answer 1

Freezing point: −0.152oC. Boiling Point: 100.042oC.