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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