Respuesta :

quasarJose

Answer:

8 atoms of oxygen.

Explanation:

Given parameter:

Mass of magnesium phosphate  = 15g

Unknown:

Number of oxygen atoms  = ?

Solution:

The formula of the compound is;

        Mg₃(PO₄)₂;

       

 Number of atoms oxygen  = 2(4) = 8 atoms of oxygen.

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