Breathing air that contains 4.0% by volume co2 over time causes rapid breathing, throbbing headache, and nausea, among other symptoms. you may want to reference (pages 539 - 541) section 13.4 while completing this problem. part a what is the concentration of co2 in such air in terms of molarity, assuming 1 atm pressure and a body temperature of 37 ∘c? express you