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5 April, 14:08

A rock weighing 30.0g is placed in a graduated cylinder displacing the volume from 22.3 ml to 27.6ml. what is density of the rock in grams/cubic centimeters?

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  1. 5 April, 16:15
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    Density=mass / volume

    dа ta:

    mass=30.0 g

    volume=volume with rock - volume without rock=27.6 ml - 22.3 ml=5.3 ml

    1 ml=cm³ ⇒ 5.3 ml=5.3 cm³

    Therefore:

    Density=30.0 g / 5.3 cm³=5.66 g/cm³

    Answer: density = 5.66 g/cm³
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