State the law that is followed by balancing a chemical equation.

Explanation

To answer the question about the law followed by balancing a chemical equation, we can break down the solution into clear steps:

### Step-by-Step Solution:

1. **Identify the Concept**: When balancing a chemical equation, we need to ensure that the number of atoms of each element is the same on both sides of the equation.

2. **State the Relevant Law**: The law that governs the balancing of chemical equations is known as the **Law of Conservation of Mass**.

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