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Chemistry
Molal elevation constant of a liquid is:
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Q. Molal elevation constant of a liquid is:
Solutions
A
the elevation in b.p. which would be produced by dissolving one mole of solute in 100 g of solvent
17%
B
the elevation of b.p. which would be produced by dissolving 1 mole solute in 10 g of solvent
15%
C
elevation in b.p. which would be produced by dissolving 1 mole of solute in 1000 g of solvent
55%
D
none of the above
12%
Solution:
$\Delta\,T_{b}=\frac{1000K'_{b} \times w}{m.w}$; if w/m =1,
$w=1000\,g$
$\Delta\,T_{b}=K'_{b}$