Barium chromate precipitate. Barium chromate (BaCrO4) precipitate (right) formed by adding potassium chromate (K2CrO4) 0.15 M solution (left) to barium chloride (BaCl2) 0.2 M solution (centre). The reaction is BaCl2 + K2CrO4 -> BaCrO4 + KCl. This is an example of a double replacement reaction. | |
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