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24 February, 06:00

A 2.50 cm cube of copper metal has a mass of 140.125g. what is the density of copper

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  1. 24 February, 06:48
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    We know that density = mass / volume

    Volume of a cube = a^3

    Where a = length of a side

    Given:

    edge length of cube = 2.50 cm

    so volume of cube of copper = 2.50 X 2.50 X 2.50 = 15.625 cm^3

    mass of copper = 140.125 g

    So density = Mass / Volume = 140.125 / 15.625 = 8.968 g / cm^3
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