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15 June, 10:01

An empty graduated cylinder weighs 55.26 g. When filled with 48.1 mL of an unknown liquid, it weighs 92.39 g. The density of the unknown liquid is?

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  1. 15 June, 11:50
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    Density of the unknown liquid is 771.93 kg/m³

    Explanation:

    An empty graduated cylinder weighs 55.26 g

    Weight of empty cylinder = 55.26 g = 0.05526 kg

    Volume of liquid filled = 48.1 mL = 48.1 x 10⁻⁶ m³

    Weight of cylinder plus liquid = 92.39 g = 0.09239 kg

    Weight of liquid = 0.09239 - 0.05526

    Weight of liquid = 0.03713 kg

    We have

    Mass = Volume x Density

    0.03713 = 48.1 x 10⁻⁶ x Density

    Density = 771.93 kg/m³

    Density of the unknown liquid is 771.93 kg/m³
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