Respuesta :
The freezing point depression is a colligative property. The feezing point of the solution is -13.44°C
What is freezing point depression?
Freezing point depression is a colligative property because it depends on the amount of substance.
Now we have;
Molality of solution= 3.70 m
Normal freezing point of benzene = 5.5°C
Freezing constant of benzene = 5.12°C•kg/mol
ΔT = K m i
ΔT = 5.12°C•kg/mol * 3.70 m * 1
ΔT = 18.944°C
Freezing point of the solution = 5.5°C - 18.944°C
= -13.44°C
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