Problem: What is the mass of one atom of copper in grams?

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FREE Expert Solution

We have to determine the mass of one atom of copper in grams.

The mass of one atom of an element can be determined using its average atomic mass and Avogadro’s number (NA).

The average atomic mass of copper can be looked up in the periodic table.

Cu = 63.55 g/mol

Avogadro’s number (NA) = 6.022x1023 particles/mol

The number of atoms in an element can be calculated using this formula:

# of atoms = mass mMolar mass M×NA

We can rearrange this equation to isolate mass.

mass m= # of atoms×Molar mass MNA

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What is the mass of one atom of copper in grams?

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