Concept explainers
(a)
Interpretation:
The partial pressure of each gas in the atmosphere should be calculated.
Concept Introduction :
The partial pressure is related to mole fraction and total pressure as follows:
Here,
PA − partial pressure of A
XA − mole fraction of A
PT − total pressure
(b)
Interpretation:
The mole percentage of each gas in the alveoli should be calculated.
Concept Introduction :
The partial pressure is related to mole fraction and total pressure as follows:
Here,
PA − partial pressure of A
XA − mole fraction of A
PT − total pressure
(c)
Interpretation:
The number of moles of O2 in 0.50 L of alveolar air should be calculated.
Concept Introduction :
P − pressure
V − volume
n − number of moles
R − universal gas constant
T - temperature
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Principles of General Chemistry
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