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    Solvents: The Upper and Lower Layer

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    Consider: Methylene chloride pentane, Toluene and Diethyl ether.

    Will the organic phase be the upper or lower layer when each of these solvents is mixed with water? Explain your answer for each case.

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    Solution Preview

    When 2 immiscible liquids separate into phases, where the organic layer ends up is determined by the relative densities of the liquids. Pure water has a density of 1g/cm3 (mL).

    If the density of the organic phase is less than 1 ...

    Solution Summary

    This solution discusses the upper and lower phases of solvents when mixed with water.