Post a New Question

Chemistry Science

posted by .

A 15.0 g sample of an unknown compound is dissolved in 100.0 g of benzene. The boiling point is raised 2.67 oC above the boiling point of pure benzene. What is the molar mass of the sample? Kb for benzene is 2.67oC/m.

  • Chemistry Science -

    delta T = Kb*molality
    Solve for molality = m

    m = moles solute/kg solvent
    Solve for moles solute

    moles solute = grams solute/molar mass solute.
    Solve for molar mass.

Answer This Question

First Name
School Subject
Your Answer

Related Questions

More Related Questions

Post a New Question