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20-02-2024
Chemistry

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A solution made by dissolving 150.0 g of an unknown compound in 405.0 ml of benzene to make a solution which has a freezing point 18.6° c lower than that of pure benzene. kf for benzene is 5.12° C/m and the density of benzene is 0.877 g/ml. what was the molality of the solution?

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