Mole ConceptHard
Question
Elevation in boiling point of an aq. solution of urea is 0.52 (Kb for water = 0.52K molality-1). The mole fraction of urea in this solution is:-
Options
A.0.98
B.0.0567
C.0.943
D.0.018
More Mole Concept Questions
The weight of one molecule of a compound of molecular formula C60H122 is...Which of the following has same mass...The vapour density of gas A is four times that of B. If molecular mass of B is M, then the molecular mass of A is :-...Change in volume of the system does not alter the number of moles in which of the following equilibria ?...In the Kjeldahl′s method for estimation of nitrogen present in a soil sample, ammonia evolved from 0.75 g of sampl...