- A 23% (m/v) HNO3 solution means 23 grams of HNO3 per 100 mL of solution.
- The molar mass of HNO3 is 63.01 g/mol.
- To find the molarity, convert grams to moles and then divide by the volume in liters:
\[
\text{Molarity} = \frac{23 \text{ g}}{63.01 \text{
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