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If 1 g of solute (molar mass = 50 g mol^...

If 1 g of solute (molar mass = `50 g mol^(-1)`) is dissolved in 50 g of solvent and the elevation in boiling point is 1 K. The molar boiling constant of the solvent is

A

2

B

3

C

2.5

D

5

Text Solution

Verified by Experts

The correct Answer is:
C
`DeltaT_b=K_bxxm`
or `K_b=(DeltaT_b)/m=1/(1/50xx1000/50)=5/2=2.5`
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