How to find number of atoms in a compound from grams?
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If the weight of a compound is given
No of moles = Weight / Molecular mass
No of atoms = No of moles * Avogadro's number
No of atoms = No of moles * 6.022 * 10^23
No of moles = Weight / Molecular mass
No of atoms = No of moles * Avogadro's number
No of atoms = No of moles * 6.022 * 10^23
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in order to find number of atoms
first find number of moles
the formula of number of moles is
given mass
-----------------
atomic mass
then this number of moles is multiple by Avogadro's number i.e 6.02 X 10^23
and then you will get your answer
•OR•
no. of atoms = mass/molar mass. X Avogadro's number
first find number of moles
the formula of number of moles is
given mass
-----------------
atomic mass
then this number of moles is multiple by Avogadro's number i.e 6.02 X 10^23
and then you will get your answer
•OR•
no. of atoms = mass/molar mass. X Avogadro's number
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