P = pressure, atm
V = volume, L
n = moles, mol
R = gas constant = 0.08206 (L·atm)/(mol·K)
T = temperature, K
Assume that an exhaled breath of air consists of 74.7 % N2, 15.4 % O2, 3.8 % CO2, and 6.1 % water vapor.
If the volume of the exhaled gas is 460 mL and its temperature is 37 oC, calculate the number of moles of CO2 exhaled.
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