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Calculate each of the following quantities:

(a) Amount (mol) of Mn atoms in 62.0 $\mathrm{mg}$ of Mn

(b) Amount (mol) for $1.36 \times 10^{22}$ atoms of $\mathrm{Cu}$

(c) Mass ( g) of $8.05 \times 10^{24}$ Li atoms

a. $\mathrm{n}(\mathrm{Mn})=0,001 \mathrm{mol}$

b. $\mathrm{n}(\mathrm{Cu})=0,023 \mathrm{mol}$

c. $\mathrm{m}(\mathrm{Li})=113,49 \mathrm{g}$

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