Why is phosphoric acid syrupy?

Explanation

**Step-by-Step Solution:**

1. **Understanding Phosphoric Acid**: Phosphoric acid (H₃PO₄) is a triprotic acid, meaning it can donate three protons (H⁺ ions) in solution. Its molecular structure consists of one phosphorus atom bonded to four oxygen atoms, three of which are connected to hydrogen atoms.

2. **Molecular Structure**: The structure of phosphoric acid can be represented as:
```
O
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