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  • Density Measurement of Benzophenone: Why No Solvent Needed?
    You wouldn't use a solvent to measure the density of benzophenone. Here's why:

    * Density is an intrinsic property: Density is a characteristic of a substance itself. It's defined as mass per unit volume (g/mL or g/cm³). You measure the density of a pure substance directly, not by dissolving it in a solvent.

    * Benzophenone is a solid: Benzophenone is a white crystalline solid at room temperature. Dissolving it would change its state and make density measurement irrelevant.

    How to measure the density of benzophenone:

    1. Weigh a known volume: You would use a balance to determine the mass of a specific volume of benzophenone (e.g., using a graduated cylinder or a volumetric flask).

    2. Calculate density: Divide the mass by the volume to get the density.

    Important Note: You might use a solvent to *purify* benzophenone before measuring its density. However, the density measurement would be done on the pure, solid benzophenone, not the solution.

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