AkuAku16 AkuAku16

24-05-2016
Chemistry

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The cube has a mass of 72.9 g.

What is its density in g/cm3?

What substance is it?

The cube has a mass of 729 g What is its density in gcm3 What substance is it class=

The cube has a mass of 729 g What is its density in gcm3 What substance is it class=

Respuesta :

jessehill jessehill

14-03-2017

If the cube is 3 cm on each side, then it has a volume of 27 cm^3 (3 x 3 x 3). Density is mass divided by volume, so its density is 72.9/27 = 2.7 g/cm^3.

Going by the density, the cube is made of Aluminium - density is a fairly unique quantity

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