# How can I balance this chemical equation? Sodium phosphate and calcium chloride react to form calcium phosphate and sodium chloride

##### 1 Answer

This is a double replacement reaction. Here's how to balance double replacement equations

#### Explanation:

Your unbalanced equation is

**1. Start with the most complicated formula, #"Ca"_3("PO"_4)_2#.**

Put a 1 in front of it. We have now fixed the number of

**2. Balance #"Ca"#**. Put a 3 in front of

.

**3. Balance #"PO"_4#**. Put a 2 in front of

**4. Balance #"Na"#**. Put a 6 in front of

**5.** Every formula has a coefficient.

The equation should be balanced. Let's check.

Left hand side:

Right hand side:

Everything checks. the balanced equation is