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As per your syllabus, what is the CHEMICAL FORMULA for calcium chloride — using the cross-over rule?

ACaCl₂ (Ca²⁺ + 2Cl⁻ — charges balance)
BCa₂Cl
CCaCl
DCa₂Cl₃
Answer & Solution
Correct answer: A. CaCl₂ (Ca²⁺ + 2Cl⁻ — charges balance)
As per your syllabus, Examples §9.5.2, calcium chloride = CaCl₂. Two Cl⁻ ions per Ca²⁺ for charge balance.
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