### How many oxygen molecules

Assignment Help Physics
##### Reference no: EM13519259

Observe yourself breathing and count the number of times you inhale per second. During each breath you probably inhale 0.58L of air. Assume the pressure is 1 atm and the temperature is 20°C. Only about 21% of air is O2.

How many oxygen molecules do you inhale if you are at sea level?

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