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20-02-2020
Chemistry

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If aqueous solutions of potassium chromate and barium chloride are mixed, a bright yellow solid (barium chromate) forms and settles out of the mixture, leaving potassium chloride in solution. Write a balanced chemical equation for this process.

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21-02-2020

Answer:

K₂CrO₄ (aq) + BaCl₂ (aq) → BaCrO₄ (s) ↓ + 2KCl (aq)

Explanation:

K₂CrO₄ → Potassium chromate

This salt dissociates as this: K₂CrO₄ → 2K⁺ + CrO₄⁻²

BaCl₂ → Barium chloride

This salt dissociates as this: BaCl₂ → Ba²⁺ + 2Cl⁻

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