Question

At certain hill - station pure water boils at 99.7250 c.if Kb for water is 0.513°C kg mol the boiling point of 0.69 m solution of
urea will be
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Answer 1

Answer:

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ΔT

b

=m×kb

ΔT

b

=0.69×0.513

o

C

ΔT

b

=0.69×0.513

o

C

T

solution

−T

solvent

=0.359

o

C

T

solution

−99.725

o

C=0.359

o

C

T

solution

=100.0789

o

C