Question

How do you balance `CaCO_3 + H_3PO_4 -> Ca_3(PO_4)_2 + CO_2 + H_2O`?

Answer 1

Solved below pal...

Explanation:

There are lots of methods to balance a chemical equation such as a simple inspection , ion-electron, reduction-oxidation(Redox), algebraically** and so on.

For this reaction , we simply use the inspection method:
I'd advice you to start off with metallic elements or ions.

Answer:

`3 CaCO_3 + 2 H_3PO_4 == Ca_3(PO_4)_2 + 3 CO_2+ 3H_2O`