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14 October, 05:36

A rectangular piece of platinum has dimensions of 3.50 cm*2.16 cm*1.08 cm and weighs 175.5 g. What is the density of platinum?

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  1. 14 October, 07:54
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    21.5 g/cm³

    Explanation:

    We define density as mass / volume.

    We have the mass of the Pt piece → 175.5 g

    Therefore, we must find out the volume with the data of dimensions:

    3.50 cm. 2.16 cm. 1.08 cm = 8.16 cm³

    Density is 175.5 g / 8.16 cm³ = 21.5 g/cm³
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