The elevation in the boiling point of aqueous urea solution is 0.104 ~K . What is its T _ f (in K ) value? (for Water K _ b =0.52 ~K ~kg ~mol ⁻¹, ~K _ f =1.86 ~K ~kg ~mol ⁻¹ )

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Correct answer: C. 0.372

T _ b =0.104 ~K , ~K _ b =0.52 ~K ~kg ~mol ⁻¹, ~K _ f =1.86 ~K kg mol ⁻¹ Thus, T _ b = m K _ b m = T _ b K _ b = 0.104 0.52 =0.2 ~mol ~kg ⁻¹ aligned & T _ f = m K _ f =0.2 1.86 & =0.372 ~K aligned

The elevation in the boiling point of aqueous urea solution is 0.104 ~K . What is its T _ f (in K ) value? (for Water K _ b =0.52 ~K ~kg ~mol ⁻¹, ~K _ f =1.86 ~K ~kg ~mol ⁻¹ )

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