a) Calculate the freezing point for 0.45 mol ethylene glycol and 0.12 mol KBr in 122 g H2O.

Express your answer using one decimal place.

b) Calculate the boiling point for 0.45 mol ethylene glycol and 0.12 mol KBr in 122 g H2O.

Express your answer using one decimal place.

Molal Boiling-Point-Elevation and Freezing-Point-Depression
Solvent	Normal Boiling Point (CC)	Kbb (C/mC/)	Normal Freezing Point (CC)	Kff (C/mC/)
Water, H2OH2O	100.0	0.51	0.0	1.86
Benzene, C6H6C6H6	80.1	2.53	5.5	5.12
Ethanol, C2H5OHC2H5OH	78.4	1.22	-114.6	1.99
Carbon tetrachloride, CCl4CCl4	76.8	5.02	-22.3	29.8
Chloroform, CHCl3CHCl3	61.2	3.63	-63.5	4.68