8 A gas mixture of oxygen, nitrogen, and carbon dioxide has a total pressure of

Question

8 A gas mixture of oxygen, nitrogen, and carbon dioxide has a total pressure of 2.30 atm. If the partial pressure of the oxygen is 650. mm Hg and the partial pressure of the carbon dioxide is 1.10 atm, what is the partial pressure of the nitrogen in mm Hg? A. 262 mm Hg B. 234 mm Hg C. 258 mm Hg D. 300. mm Hg 8 A gas mixture of oxygen, nitrogen, and carbon dioxide has a total pressure of 2.30 atm. If the partial pressure of the oxygen is 650. mm Hg and the partial pressure of the carbon dioxide is 1.10 atm, what is the partial pressure of the nitrogen in mm Hg? A. 262 mm Hg B. 234 mm Hg C. 258 mm Hg D. 300. mm Hg 8 A gas mixture of oxygen, nitrogen, and carbon dioxide has a total pressure of 2.30 atm. If the partial pressure of the oxygen is 650. mm Hg and the partial pressure of the carbon dioxide is 1.10 atm, what is the partial pressure of the nitrogen in mm Hg? A. 262 mm Hg B. 234 mm Hg C. 258 mm Hg D. 300. mm Hg

Explanation / Answer

total pressure = 2.30 atm = 1748 mmHg

total pressure = sum of individual pressures

Ptotal = PO2   + PCO2   + PN2

1748 = 650 + 836 + PN2

PN2 = 1748 - 650 - 836

PN2 = 262 mmHg

answer = option A = 262 mmHg

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