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The boiling point elevation constant for...

The boiling point elevation constant for toluene is 3.32 K kg `mol^-1`. The normal boiling point of toluene is `110.7^@C`. The enthalpy of evaporation of toluene would be nearly :

A

`17.0kJmol^-1`

B

`34.0kJmol^-1`

C

`51.0kJmol^-1`

D

`68.0kJmol^-1`

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