How many atoms of each element are in $3 C a C l_{2}$ $3CaCl_2$ ?

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How many atoms of each element are in $3 C a C l_{2}$ $3CaCl_2$ ?

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Answer 1 · 2017-08-25T15:23:31

Each individual formula unit of $C a C l_{2}$ $CaCl_2$ contains $1 \times C a^{2 +}$ $1xxCa^(2+)$ , and $2 \times C l^{-}$ $2xxCl^-$ .

Explanation:

The ionic salt formed is of course electrically neutral; and electrical neutrality requires this PRECISE number of anions and cations. So if we got 3 formula units or even 3 moles, we gots $3 \times C a^{2 +} + 6 \times C l^{-}$ $3xxCa^(2+)+6xxCl^-$ .....

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How many atoms of each element are in $3 C a C l_{2}$ $3CaCl_2$ ?

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