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What is the typical concentration of oxygen in dry air?
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Approximately what percentage of dry air is oxygen, and what percentage is carbon dioxide?
At $0.00^{\circ} \mathrm{C}$ and sea level, dry air can be assumed to have a molar volume of $22.414 \mathrm{~L}$. Given that air is $21.0 \%$ by volume oxygen, what is the molar concentration of oxygen in the atmosphere at sea level at $0.00^{\circ} \mathrm{C}$ ?
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One More Thing Getting Unlikes to Dissolve-Soaps and Detergents
(a) What is the concentration (number per cubic meter) of the molecules in air at normal conditions? (b) What is the average distance between molecules compared to the dimensions of the molecules? (c) Can you consider air to be an ideal gas? Explain your answer.
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