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Empirical & Molecular Formula

An ionic comp...

Question

An ionic compound is formed by the combination of cations and anions. What are the cations and anions present in the following compounds?
a) $K_{2} C O_{3}$
b) $B a C l_{2}$

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Solution

$(a) K_{2} {C O}_{3} \leftarrow {2 K}^{+} + C O_{3}^{2 -}$
$(b) {B a C l}_{2} \leftarrow {B a}^{2 +} + 2 {C l}^{-}$

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