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24 October, 15:04

A student measures the mass of an 8cm block of brown sugar to be 12.9g. what is the density of the brown sugar

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  1. 24 October, 17:10
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    Ok so you have to know the formula density=mass/volume (density is the measure of how much mass is in each unit of volume)

    the mass, as measured is 12.9 g

    for the volume, to find the volume of the cube multiply the length times the width times the height. Or, since it's a cube, just cube 8

    V=8*8*8=512 cm^3

    therefore, density = 12.9 g/512 cm^3

    since you need to have 1 cm^3 on the bottom, this simplifies to about

    .025 g/cm^3
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