Cooling curves were experimentally acquired of both a pure solvent and a solution (solvent with an unknown solute added). Use the following data to answer the questions.\ Mass of solvent:

4.22g

\ Mass of solution:

5.14g

\ Freezing point of pure solvent:

45.0\\\\deg C

\ Freezing point of solution:

41.\\\\deg C

\

K_(f)

of solvent:

3.90\\\\deg (C)/(m)

\ What is the molality of the solution? [including units are optional\ Answer:\ How many moles of unknown were added to the solvent?\ Answer:

Cooling curves were experimentally acquired of both a pure solvent and a solution (solvent with an unknown solute added). Use the following data to answer the questions. Mass of solvent: 4.22g Mass of solution: 5.14g Freezing point of pure solvent: 45.0C Freezing point of solution: 41.4C Kf of solvent: 3.90C/m What is the molality of the solution? [including units are optional Answer: How many moles of unknown were added to the solvent