anonymous
  • anonymous
How many moles of cobalt (Co) atoms are there in 6.00x10^9 (6 billion) Co atoms?
Chemistry
  • Stacey Warren - Expert brainly.com
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SOLVED
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chestercat
  • chestercat
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anonymous
  • anonymous
okay lets take the given and multipy it by 1(for the amount of moles) and then divide that answer by 6.022x10^23
anonymous
  • anonymous
alright i did that and got 1.02x10^8 is that correct?
anonymous
  • anonymous
what type of chem class are you in?

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anonymous
  • anonymous
in other words does your class use 6.0 or 6.022?
anonymous
  • anonymous
ya i have to use sig figs if thats what u mean..
anonymous
  • anonymous
no do yu know your conversion factors?
anonymous
  • anonymous
1 mole/ amu ...
anonymous
  • anonymous
1mole= 6.0x10^23 atoms= the formula mass(grams)
anonymous
  • anonymous
yea i know and since were going from number of particles to moles we divide by 6.0x10^23, right?
anonymous
  • anonymous
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anonymous
  • anonymous
alright i screwed up i did that formula, yet i punched the numbers incorrectly into my calculator. thank you very much for your help.
anonymous
  • anonymous
what was your answer?

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