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1 mole Co = 58.933g Co (atomic weight in grams)

1 mole Co atoms = 6.022 x 1023 atoms Co

Convert grams Co to moles Co.

22.6g Co x (1 mole Co/58.933g) Co = 0.383 mole Co

Convert mole Co to atoms Co.

0.383 mole Co x (6.022 x 1023 atoms Co/1 mole Co) = 2.31 x 1023 atoms Co

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Q: How many moles of atoms are contained in 22.6 g of the Co?
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