# Ba3(po4)2

Barium phosphate is an inorganic salt. The formula can be represented as Ba3(PO4)2. Barium phosphate is generally described as a colorless solid.

Sarah Taylor-

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## Input interpretation

We are given a chemical equation to balance:

P2O5 + BaO → Ba3(PO4)2

Barium oxide is one of the reactants.

## Balanced equation

To balance the equation algebraically, we need to add stoichiometric coefficients, c;, to the reactants and products:

c1 P2O5 + c2 BaO → c3 Ba3(PO4)2

We then set the number of atoms in the reactants equal to the number of atoms in the products for P, O, and Ba:

P: 2c1 = 2c3

O: 5c1 + c2 = 8c3

Ba: c2 = 3c3

As the coefficients are relative quantities and underdetermined, we choose a coefficient to set arbitrarily. To keep the coefficients small, we usually set the arbitrary value to one. For instance, we can set c1 = 1 and solve the system of equations for the remaining coefficients:

c1 = 1

c2 = 3

c3 = 1

We substitute the coefficients into the chemical reaction to obtain the balanced equation:

P2O5 + 3BaO → Ba3(PO4)2

The balanced chemical equation is

P2O5 + 3BaO → Ba3(PO4)2

where barium oxide (BaO) and phosphorus pentoxide (P2O5) react to form barium phosphate (Ba3(PO4)2).