10 gram of solute with molecular mass 100 gram `mol^(-1)` is dissolved in 100 gram solvent to show `0.3^(@)C` elevation in boiling point. The value of molal ebuilioscopic constant will be:

Options

A. 10
B. 3
C. `0.3`
D. un predictable

Answer

C

Explanation

`0.3 = ((1)/(10))/(100) xx 1000 xx k_(b)`
`k_(b) = 0.3`