| ssm A young male adult takes in about 5.0 × 10-ª m³ of fresh air during a normal breath. Fresh air contains approxi- Imately 21% oxygel. Assuming that the pressure in the lungs is 1.0 × 10° Pa and that air is an ideal gas at a temperature of 310 K, find the number of 15. oxygen molecules in a normal breath.

| ssm A young male adult takes in about 5.0 × 10-ª m³ of fresh air during a normal breath. Fresh air contains approxi- Imately 21% oxygel. Assuming that the pressure in the lungs is 1.0 × 10° Pa and that air is an ideal gas at a temperature of 310 K, find the number of 15. oxygen molecules in a normal breath.

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