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An athlete at high performance inhales ~4.0L of air at 1.00 atm and 298 K at a respiration rate of 40 breaths per minute. The inhaled air contains 0.50% H2O and 20.9% O2 by volume; the exhaled air contains 6.2% H2O and 15.3% O2 by volume. How many moles of H2O are expelled from the body each minute? How many moles of O2 are absorbed by the body each minute?

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