An impure sample of sodium chloride which weighed 1.2 g gave on treatment with excess of silver nitrate solution 2.4g of silver chloride as precipitate.Calculate the percentage purity of the sample

Explanation

To solve the problem of calculating the percentage purity of an impure sample of sodium chloride (NaCl), we can follow these steps:

### Step 1: Write the Reaction
The reaction between sodium chloride and silver nitrate can be represented as:
\[ \text{NaCl} + \text{AgNO}_3 \rightarrow \text{NaNO}_3 + \text{AgCl} \]

### Step 2: Calculate Molar Masses
- Molar mass of NaCl:
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