Answer :
Final answer:
To find the number of atoms in 5.00 g of copper, we convert grams to moles using the molar mass of copper and then use Avogadro's number to convert moles to atoms.
Explanation:
To calculate the number of atoms in a given mass of copper, we need to use the concept of moles. First, we find the molar mass of copper by adding up the atomic masses of its atoms: 63.55 g/mol.
Next, we use the molar mass of copper to convert grams to moles: 5.00 g ÷ 63.55 g/mol = 0.0787 mol.
Lastly, we use Avogadro's number (6.022 x 10^23) to convert moles to atoms: 0.0787 mol x (6.022 x 10^23 atoms/mol) = 4.73 x 10^22 atoms.
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