Science, asked by pinkuuu8587, 11 months ago

what would be the molar mass of a compoundif 6.21g of it dissolved in 24g of chlorofrom from a solution that has boiling point 68.4 c the boiling point of pure chlorofrom is 61.7 c and kb of chlorofrom is 3.63 degree celcious per m

Answers

Answered by debanjanadey59
0

Answer:

Answer

mass of solute (n  

solute

​  

)=6.21g

mass of chloroform (solvent)=24.0g

Boiling point of the solution =68.04  

C

Boiling point of the chloroform =61.70  

C

ΔT  

b

​  

=(68.04  

 

C−61.70  

 

C)=6.34  

C

K  

b

​  

=3.63  

Cmol  

−1

Kg  

−1

 

Δ=K  

b

​  

.m

=K  

b

​  

×  

massofchloroforminKG

n  

solute

​  

 

​  

 

6.34  

 

C=3.63  

 

Cmol  

−1

Kg×  

0.024Kg

6.21  

M

g

​  

 

​  

=148.1gmol  

−1

Explanation:

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