Grade 12Physical Chemistry

Calculate the Boiling pt of soln containing 0.61g of Bezoic acid in 50g of carbon disulphide,assuming 84% dimerisation of the acid. Given that the B.P of CS2 is 46.2 degrees celsius.

Kb of CS2 is 2.3 K Kg/mol.

Chilukuri Sai Kartik

16 Years agoGrade 12

1 Answer

SAGAR SINGH - IIT DELHI

15 Years ago

Dear student,

use

T = K_bm

where:

        T is the change in boiling point of the solvent,
        K_b is the molal boiling point elevation constant, and
        m is the molal concentration of the solute in the solution.

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