Imagine two solutions with the same concentration and same boiling point, but on

Question

Imagine two solutions with the same concentration and same boiling point, but one has benzene as the solvent and the other has carbon tetrachloride as the solvent. determine that molal concentration m (or b), and boing point (Tb). Please explain your answer!

Imagine two solutions with the same concentration and the same boiling point, but one has benzene as the solvent and the other has carbon tetrachloride as the solvent. Determine that molal concentration, m (or b), and boiling point, Tb. boiling K Solvent point (C) (cim Number benzene 80.1 2.53 5.03 76.8 tetrachloride Number

Explanation / Answer

Let the boiling point of solution = T

delta T = i*Kb*m

delta T = elevation in boiling point ; m = molality ; i=no of particles (taken as 1)

T - 80.1 = 2.53*m

T - 76.8 = 5.03*m

From 2 equations

76.8 + 5.03m = 2.53 m + 80.1

m = 1.32

T = 83.43 C

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