Question

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Answer 1

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• A)Potassium bromide(aq) + Barium iodide(aq) → Potassium iodide(aq) + Barium bromide(s)

• 2KBr(aq)+BaI2(aq) → 2KI(aq)+BaBr2(s)

• B)Balance the Chemical Equation for the reaction of calcium carbonate with hydrochloric acid: 
• CaCO3+ HCl -> CaCl2 + CO2 + H2O To balance chemical equations we need to look at each element individually on both sides of the equation. calcium carbonate is a chemical compound with the formula CaCO3.

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