Question

Calculate the molal elevation constant of H2O it is given that 0.1 molal aqueous solution of a substance boil at 100.052.

Answer 1

ΔTb=Kb.m=0.51×0.1=0.051∘ΔTb=Kb.m=0.51×0.1=0.051∘

now b.p of solution =100+ΔTb=100+ΔTb

=100+0.051=100+0.051

=100.051∘C