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OpenStudy (anonymous):
How many atoms are present in12.3g of Fe?
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OpenStudy (anonymous):
(given mass)/ (molar mass)= no of moles no of moles x avogadro number = no of atoms
OpenStudy (anonymous):
(12.3/ 55.85) * 6.022*10^23 Because when you look on a periodic table it tells you 55.85 g equals one mole of atoms.
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