What is the role of `HNO_(3)` in the nitrating mixture used for nitration of benzene?

Explanation

To answer the question about the role of HNO₃ in the nitrating mixture used for the nitration of benzene, we can break down the process step by step.

### Step-by-Step Solution:

1. **Understanding the Nitrating Mixture**:
The nitrating mixture consists of concentrated nitric acid (HNO₃) and concentrated sulfuric acid (H₂SO₄). Both of these acids are concentrated, and they work together in the nitration process.

**Hint**: Remember that the nitrating mixture is composed of two strong acids.
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