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Finding the number of atoms in 0.500 mol of Argon

  1. Mar 17, 2009 #1
    Question: How many atoms are there in 0.500 mol of Argon?

    No relevant equations

    do you take atomic molar mass (39.95) divided by 0.500 mol?
     
  2. jcsd
  3. Mar 17, 2009 #2
    Do you know a constant that relates moles to atoms?
     
  4. Mar 17, 2009 #3

    Borek

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    Staff: Mentor

    Remember: mole is just an overgown dozen.
     
  5. Mar 17, 2009 #4
    Well, I think 6.02 x 10^23 represents the number of atoms in a mol, right? so 0.500 of a mol x 6.02 x 10^23 = 3.01 x 10^23. Is that the correct answer?
     
  6. Mar 17, 2009 #5
    That is correct!

    For future reference that constant is Avogadro's number.
     
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