SolutionHard
Question
For a dilute solution having molality m of a given solute in a solvent of mol.wt. M, b.pt. Tb and heat of vaporisation per mole ᐃH ; 
is equal to :
is equal to :Options
A.Molal elevation constant of solvent
B.
; where M in kg ᐃvap H and R in J mol-1
; where M in kg ᐃvap H and R in J mol-1C.
; where M in kg ᐃvapS and R in J mol-1
; where M in kg ᐃvapS and R in J mol-1D.
; where M in g ; R and ᐃvapH expressed in same unit of heat.
; where M in g ; R and ᐃvapH expressed in same unit of heat.
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