bethanybalexander bethanybalexander
  • 13-11-2021
  • Chemistry
contestada

How many atoms exist in 100.0 grams of lithium

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mscrocker2004 mscrocker2004
  • 13-11-2021
Mass of Li: 6.94 g Li
Conversion relationship: 1 mole Li=6.94 g Li
100.0 g Li 1 mole Li
---------- x ---------- = 14.4 moles Li
1 6.94 g Li
Conversion relationship: 1 mole Li=6.02x10^23 atoms Li
14.4 moles Li 6.02x10^23 atoms Li
-------------- x ----------------------- = 8.67x10^24 atoms Li
1 1 mole Li
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