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13-09-2020
Chemistry

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Calculate the number of moles for 12.044*10^23 number of helium atoms

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17-09-2020

Answer:

Explanation:

number of moles=number of particle (atoms)/avogadro number (NA)

we know that avogadro number is equal to 6.23*10^23

given number of atoms=12.044*10^23

therefore

moles=12.044*10^23/6.23*10^23=1.9=2

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