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Calculating Moon´s density

What do you need?

  1. Paper and pen.
  2. You must know about:



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Statement

What is the proportion of elements that shapes the Moon?

The Moon is formed mainly by the following elements:

OXYGEN, density: 1.4 g/cc
SILICON, density: 2.33 g/cc
ALUMINIUM, density: 2.7 g/cc
HIERRO, density: 7.86 g/cc
CALCIUM, density: 1.55 g/cc
MAGNESIUM, density: 1.74 g/cc
SODIUM, density: 0.97 g/cc
POTASSIUM, density: 0.86 g/cc

Make your proper composition of the Moon to obtein the real density of the Moon.

({rho=3.34{g/cm^3}})






How can I resolve it?

What do we know?

We know the average density of the Moon, elements which forms the Moon and also we know the densities of all of them .

What do we have to find out?

You must calculate this one:

Work out