3 years ago

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

1 answer:

givi [52]3 years ago

8 0

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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