13. Write the formula of the ionic compound formed from each pair of cations and anions. a. calcium and phosphate $Ca_3(PO_4)_2$ b. beryllium and bisulfate $Be(HSO_4)_2$ c. barium and cyanide $Ba(CN)_2$
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Calcium and phosphate: The cation is calcium (Ca2+) and the anion is phosphate (PO43-). To form a neutral compound, we need two calcium ions to balance the charge of three phosphate ions. Therefore, the formula of the ionic compound formed is Ca3(PO4)2. Show more…
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