If I have 17.5 moles of helium, how many individual atoms of Helium do I have?
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Explanation:
given:
no of moles of helium =17.5
To find :
no of individual atoms of helium
Finding:
Number of moles of helium = no of individual atoms of helium/ avogadro number
Number of individual atoms of helium
= Number of moles of helium × avogadro number
= 17.5 × 6.022 × 10^23
= 105.385 × 10^23
= 1.05 × 10^25 atoms of helium
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