Calculating the number of atoms in X Kilograms of iron

  • Thread starter Sun44
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  • #1
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Homework Statement



I'm having trouble with this. I need to calculate the number of atoms in iron. How do I do this? For example if I had 1 KG of iron, how many atoms are in it?



Homework Equations



I need to give an answer in scientific notation
A x 10^B
A being 1 significant figure, and B being whole number


The Attempt at a Solution



No idea what to do.
 

Answers and Replies

  • #2
47
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Try using the Avogadro constant.
 
  • #3
4
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Try using the Avogadro constant.
Whats that?
 
  • #4
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https://www.youtube.com/watch?v=AsqEkF7hcII
 

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