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22 February, 09:32

A cylinder of manganese (length 4.00 cm, diameter = 1.00 cm) has a mass of 22.62 g. What is the density of manganese?

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  1. 22 February, 09:54
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    Equation for density is mass/volume

    Mass=22.62 g

    Volume = 22/7 x 1/2^2 x 4

    3.14 x 0.5 x 0.5 x 4

    =3.14 cm3

    Mass / Volume

    22.62/3.14

    7.2 g/cm3 is the answer
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