Question


A liter of air contains 7.2 x 10 to the power -5 mol of Argon (Ar). What is the mass of Ar in a liter of air?


A liter of air contains 7.2 x 10 to the power -5 mol of Argon (Ar). What is the mass of Ar in a liter of air?
mass Ar = moles Ar x molar mass Ar

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