Respuesta :
The 2 means there are two phosphate ions in a molecule of magnesium phosphate.
The 2 in the formula 5Mg3(PO4)2 means there are two phosphate ions in a molecule of magnesium phosphate.
WHAT IS A CHEMICAL FORMULA:
A chemical formula is used to showcase the atoms contained in a compound; the number of each.
According to this question, the chemical compound of magnesium phosphate is given as follows: 5Mg3(PO4)2.
The "2" in the formula represents that there are 2 ions of phosphate in the magnesium phosphate compound.
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