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dddan

  • 3 years ago

How many moles of cobalt (Co) atoms are there in 6.00x10^9 (6 billion) Co atoms?

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  1. hereweg0
    • 3 years ago
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    okay lets take the given and multipy it by 1(for the amount of moles) and then divide that answer by 6.022x10^23

  2. dddan
    • 3 years ago
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    alright i did that and got 1.02x10^8 is that correct?

  3. hereweg0
    • 3 years ago
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    what type of chem class are you in?

  4. hereweg0
    • 3 years ago
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    in other words does your class use 6.0 or 6.022?

  5. dddan
    • 3 years ago
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    ya i have to use sig figs if thats what u mean..

  6. hereweg0
    • 3 years ago
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    no do yu know your conversion factors?

  7. dddan
    • 3 years ago
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    1 mole/ amu ...

  8. hereweg0
    • 3 years ago
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    1mole= 6.0x10^23 atoms= the formula mass(grams)

  9. dddan
    • 3 years ago
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    yea i know and since were going from number of particles to moles we divide by 6.0x10^23, right?

  10. hereweg0
    • 3 years ago
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    |dw:1348803312328:dw|

  11. dddan
    • 3 years ago
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    alright i screwed up i did that formula, yet i punched the numbers incorrectly into my calculator. thank you very much for your help.

  12. hereweg0
    • 3 years ago
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    what was your answer?

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