[Solved] A sample of air contains 78.08% nitrogen,

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A sample of air contains 78.08% nitrogen, 20.94% oxygen, 0.0500% carbon dioxide, and 0.930% argon by volume. How many molecules of each gas are present

A sample of air contains 78.08% nitrogen, 20.94% oxygen, 0.0500% carbon dioxide, and 0.930% argon by volume. How many molecules of each gas are present in 5.45L of the sample at 38C and 6.77atm ? Enter your answers in scientific notation

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