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Chemistry

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The boiling point elevation of a solution consisting of 2.92 g of a nonvolatile solute in 82.4 g of benzene is 1.077 oC. What is the molecular weight of the unknown solute?

  • Chemistry - ,

    delta T = Kb*molality.
    Step 1. Calculate molality from the above.
    Step 2. Remember that molality = # mols/kg solvent. Calculate # mols from that.
    Step 3. Use # mols = g/molar mass to calculate molar mass.
    Post your work if you get stuck.

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