01-11-2016
Chemistry

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How many moles of chlorine (Cl) atoms are in a sample of 1.72 × 1022 atoms?

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BonBonLover11 BonBonLover11

01-11-2016

1mole of Cl atoms contain the Avogadro's number 6x10 exp 23(10 to the power of 23)
there for xmoles of Cl atoms is contained in 1.72x1022atoms
xmoles =1.72x1022 divided by 6x10exp 23
2.93 exp -23moles(2.93 x10 to the power of -23)

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