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Ba^(2+) + 2Cl^(-) = BaCl2

Notice, the barium ion hs a charge of '2+' . This must be balanced by a charge of '2-' . This is done by having 2 chloride ions 'Cl^- & Cl^- ..Hence (2Cl^-).

BaCl2 is barium chloride. It is an ionic crystalline solid at STP.

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lenpollock

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2mo ago
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6y ago

The chemical formula of barium chloride is BaCl2.

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Q: What is the the chemical formula for a compound having one barium ion and two chloride ions?
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