Mixed 15 liters of oxygen and 3 liters of carbon dioxide. Find the volume fraction of each gas in the resulting mixture.

First, find the common V (mixture)
V (mixture) = 15 + 3 = 18 l
Volume fraction (phi) (O2) = V (O2) / V (mixture) * 100%
Volume fraction (phi) (O2) = 15/18 * 100% = 83.3
Volume fraction (phi) (CO2) = 3/18 * 100% = 16.6



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