A normal breath takes in about 1.0 L of air. Assuming that air has an average molar mass of 28.8 g, and that its density is 0.97 g/L, how many molecules of air do you take in with each breath?
A) 2.0 * 1022
B) 2.2 * 1022
C) 5.8 *1023
D) 1.7 * 1025
E) 1.8 * 1025
Correct Answer:
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