Total number of nitrogen atoms present in urotropine is :

Explanation

To determine the total number of nitrogen atoms present in urotropine, we can follow these steps:

### Step-by-Step Solution:

1. **Identify the Compound**: Urotropine is also known as hexamethylene tetraamine.

2. **Write the Molecular Formula**: The molecular formula for urotropine is \( C_6H_{12}N_4 \). This indicates that the compound contains carbon (C), hydrogen (H), and nitrogen (N) atoms.

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