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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 72.9 g. What is its density in g/cm3? What substance is it?
asked 16.7k views
5 votes
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 72.9 g. What is its density in g/cm3? What substance is it-example-1
The cube has a mass of 72.9 g. What is its density in g/cm3? What substance is it-example-1
The cube has a mass of 72.9 g. What is its density in g/cm3? What substance is it-example-2
asked
User Donpresente
by
8.7k points

2 Answers

7 votes

Answer: aluminum and 2.7

Step-by-step explanation:

answered
User Jerome Cance
by
7.5k points
7 votes
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
answered
User Geeta
by
8.0k points
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