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At a given temperature T and pressure P, a person's lung holds a set volume of V of air. Given that air is roughly 20% oxygen, how many moles of oxygen are in his lungs?
  • a)
    0.2*(PT/RV)
  • b)
    5*(PT/RV)
  • c)
    0.2*(PV/RT)
  • d)
    5*(PV/RT)
Correct answer is option 'C'. Can you explain this answer?
Most Upvoted Answer
At a given temperature T and pressure P, a persons lung holds a set vo...
  • Use the ideal gas law to find n (moles of air).
  • n = PV/RT. This includes a mixture of nitrogen, oxygen, and other gases. From the mole fraction rule, we can infer that if the air is 20% oxygen, 20% of the total moles must be oxygen molecules.
  • Thus, there are 0.2*(PV/RT) moles of oxygen in his lungs.
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At a given temperature T and pressure P, a persons lung holds a set volume of V of air. Given that air is roughly 20% oxygen, how many moles of oxygen are in his lungs?a)0.2*(PT/RV)b)5*(PT/RV)c)0.2*(PV/RT)d)5*(PV/RT)Correct answer is option 'C'. Can you explain this answer? for MCAT 2025 is part of MCAT preparation. The Question and answers have been prepared according to the MCAT exam syllabus. Information about At a given temperature T and pressure P, a persons lung holds a set volume of V of air. Given that air is roughly 20% oxygen, how many moles of oxygen are in his lungs?a)0.2*(PT/RV)b)5*(PT/RV)c)0.2*(PV/RT)d)5*(PV/RT)Correct answer is option 'C'. Can you explain this answer? covers all topics & solutions for MCAT 2025 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for At a given temperature T and pressure P, a persons lung holds a set volume of V of air. Given that air is roughly 20% oxygen, how many moles of oxygen are in his lungs?a)0.2*(PT/RV)b)5*(PT/RV)c)0.2*(PV/RT)d)5*(PV/RT)Correct answer is option 'C'. Can you explain this answer?.
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