A 200 ml aq. Solution of NaCl contains 20 gm of NaCl. Find (w/v)%

Explanation

To find the weight/volume percentage (w/v%) of a solution, we can use the following formula:

\[ \text{w/v \%} = \left( \frac{\text{mass of solute (g)}}{\text{volume of solution (mL)}} \right) \times 100 \]

### Step-by-Step Solution:

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