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# Calculate each of the following quantities: (a) Mass (g) of 0.346 mol of Zn(b) Number of $\mathrm{F}$ atoms in 2.62 $\mathrm{mol}$ of $\mathrm{F}_{2}$(c) Number of $\mathrm{Ca}$ atoms in 28.5 $\mathrm{g}$ of $\mathrm{Ca}$

## a. $\mathrm{m}(\mathrm{Zn})=22,62 \mathrm{g}$b. $\mathrm{N}(\mathrm{F})=3,16^{*} 10^{24}$c. $\mathrm{N}(\mathrm{Ca})=4,28^{*} 10^{23}$ atoms

#### Topics

Chemical reactions and Stoichiometry

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