Woodstocksunshine
Answered

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How many iron atoms are in 7.890 g of iron?

I don’t need the exact answer I just want the formula!

Sagot :

drpelezo

Answer:

see explanation

Explanation:

#Atoms = (mass/atomic wt) x 6.02 x 10²³

  • mass is grams
  • atomic weight is grams/mole
  • 6.02 x 10²³ is atoms/mole
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