How is anhydrous magnesium chloride prepared from magnesium chloride hexahydrate?

Explanation

To prepare anhydrous magnesium chloride from magnesium chloride hexahydrate, follow these steps:

### Step-by-Step Solution:

1. **Identify the Starting Material**:
- The starting material is magnesium chloride hexahydrate, which has the chemical formula MgCl₂·6H₂O.

2. **Understand the Problem**:
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