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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?

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  1. 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?

    1. 👍
    2. 👎
    3. ℹ️
    4. 🚩
  2. mass Ar = moles Ar x molar mass Ar

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    3. ℹ️
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