250 mL of nitrogen maintained at 720 mm pressure and 380 mL of oxygen maintained at 650 mm pressure of the misture ?

Explanation

To find the final pressure of the mixture of nitrogen and oxygen, we can use the concept of partial pressures and the ideal gas law. Here’s the step-by-step solution:

### Step 1: Identify the given values
- Volume of nitrogen (V1) = 250 mL
- Pressure of nitrogen (P1) = 720 mm Hg
- Volume of oxygen (V2) = 380 mL
- Pressure of oxygen (P2) = 650 mm Hg

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