What is the boiling point elevation constant, Kb, of diethyl ether if 38.2 g of the nonelectrolyte benzophenone, C6H5COC6H5, dissolved in 330. g of diethyl ether produces a solution that boils at 35.7°C? Use molar masses with at least as many significant figures as the data given.

the boiling point elevation constant is

Explanation:

Elevation in boiling point is given by:

= Elevation in boling point

i= vant hoff factor = 1 (for non electrolyte)

=boiling point constant = ?

m= molality

Weight of solvent (diethylether)= 330 g = 0.33 kg

Molar mass of solute (benzophenone)= 182 g/mol

Mass of solute (benzophenone) = 38.2 g

Thus the boiling point elevation constant is

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