# Boiling point elevation

Chemistry Level 2

When $$3.15$$ g of unknown hydrocarbon is dissolved in $$75.0$$ g of benzene, the boiling point of the solution increases by $$0.597$$ °C. What is the molar mass of the unknown substance?

The $$K_{b}$$ of benzene is $$2.53$$ K kg mol$$^{-1}.$$

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