A sample of copper with a mass of 63.5g contains 6.02 x10 23 atoms calculate the mass of a single copper atom

To determine the mass of a single copper atom, we simply divide the number of copper atoms in the sample to the mass of the sample. In this way, we will get the mass per single atom of Copper. We dp as follows:

Mass of one atom = 63.5 g / 6.02x10^23 atoms = 1.05x10^-22 g per atom

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aksnkj aksnkj · Answer 2 · 2021-10-06T15:49:20+02:00

Answer:

The mass of one atom will be [tex]1.054\times 10^{-22}\texttt { g}[/tex].

Explanation:

The given sample of copper has a mass of [tex]m=63.5\texttt{ g}[/tex].

The number of atoms of copper in the sample is [tex]n=6.02 \times 10^{23}[/tex].

It is given that [tex]n=6.02 \times 10^{23}[/tex] number of copper atoms has a mass of 63.5 g.

So, the mass of 1 copper atom will be,

[tex]m'=\dfrac{m}{n}\\m'=\dfrac{63.5}{6.02 \times10^{23}}\\m'=10.54\times 10^{-23}\\m'=1.054\times 10^{-22}\texttt { g}[/tex]

Therefore, the mass of one atom will be [tex]1.054\times 10^{-22}\texttt { g}[/tex].

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