The mole fraction of argon in dry air near sea level is 1.818 × 10^-5 where the molar mass of argon is 39.948.The concentration of argon in the atmosphere is ________ ppm.

Name: The mole fraction of argon in dry air near sea level is 1.818 × 10 -5 where the molar mass of argon is 39.948.The concentration of argon in the atmosphere is ________ ppm.
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Quizplus · Accepted Answer

The mole fraction of argon is equivalent to its concentration in ppm, so 1.818 × 10^-5 is equal to 18.18 ppm.

The Mole Fraction of Argon in Dry Air near Sea