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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.

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.

Grade:12

1 Answers

SAGAR SINGH - IIT DELHI
879 Points
10 years ago

Dear student,

use 

T = Kbm

where:

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

 

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Sagar Singh

B.Tech, IIT Delhi

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