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Phosphoric acid reacts with magnesium hydroxide to produce magnesium phosphate and water via the following reaction: ?H3PO4+?Mg(OH)2→?Mg3(PO4)2+?H2O Balance the equation, then enter the coefficients, in order, in the answer box.

Respuesta :

Please note that since magnesium is in group 2 it has a valency of 2+ and so the formula for magnesium hydroxide is
M
g
(
O
H
)
2
[Mistake in question]
This is a typical neutralization reaction of an acid with a base to form a salt and water. The reaction is exothermic, gives off heat,
Δ
H
<
0
, and may be balanced by adding balancing numbers in front, ie adding molecules, in order to ensure that the total number of atoms of each element is the same on the left and right hand sides of the equation.
Doing so we obtain :
2
H
3
P
O
4
+
3
M
g
(
O
H
)
2
→
M
g
3
(
P
O
4
)
2
+
6
H
2
O
Eduard22sly

The balanced chemical equation for the reaction between phosphoric acid and magnesium hydroxide to produce magnesium phosphate and water is:

2H₃PO₄ + 3Mg(OH)₂ → Mg₃(PO₄)₂ + 6H₂O

The coefficients are: 2, 3, 1, 6

The equation for the reaction is given below:

H₃PO₄ + Mg(OH)₂ → Mg₃(PO₄)₂ + H₂O

The equation can be balance as illustrated below:

Therefore are 3 atoms of Mg on the right side and 1 atom on the left side. It can be balance by writing 3 before Mg(OH)₂ as shown below:

H₃PO₄ + 3Mg(OH)₂ → Mg₃(PO₄)₂ + H₂O

 

There are 2 atoms of P on the right side and 1 atom on the left side. It can be balance by writing 2 before H₃PO₄ as shown below:

2H₃PO₄ + 3Mg(OH)₂ → Mg₃(PO₄)₂ + H₂O

There are a total of 12 atoms of H on the left side and 2 atoms on the right side. It can be balance by writing 6 before H₂O as shown below:

2H₃PO₄ + 3Mg(OH)₂ → Mg₃(PO₄)₂ + 6H₂O

Now the equation is balanced.

The coefficients are: 2, 3, 1, 6

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