Why is acetic acid called a weak acid though there are four hydrogen atoms in the molecule ?

Explanation

**Step-by-Step Solution:**

1. **Understanding Acids:**
- Acids are substances that can donate hydrogen ions (H⁺) when dissolved in water. The strength of an acid is determined by its ability to dissociate and release H⁺ ions.

2. **Identifying Acetic Acid:**
- Acetic acid (chemical formula: CH₃COOH) contains four hydrogen atoms in its molecular structure. However, not all hydrogen atoms in acetic acid are ionizable.

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