chemistry
how many moles of platinum are equivalent to 1.20 x 10^24
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Avogadro's number is 6.02 x 10^23, so 1.20 x 10^24 molecules would be equal to 1.20 x 10^24/6.02 x 10^23 moles, which is equal to 19.8 moles of platinum.
Avogadro's number is 6.02 x 10^23. Therefore, 1.20 x 10^24 molecules of platinum would be equal to 1.20 x 10^24/6.02 x 10^23 moles, or 19.8 moles of platinum.