Nitric oxide sometimes used in the treatment of lung, Ask an Expert

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A.) Nitric oxide, sometimes used in the treatment of lung disease in premature children, is provided to the healthcare professionals as a solution of NO in nitrogen. If the cylinder has a volume of 20.00 L and a pressure of 26.98 atm at 20 degrees celsius, what is the mole fraction of NO knowing there are 21.55 moles of nitrogen?

B.) C3H6 and oxygen has a total pressure of 1.12 atm. If the partial pressure of cyclopropane is 740 mmHg, what is the partial pressure of oxygen in atm?

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