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77.0 x 23.6 cm ⏐ 30.3 x 9.3 in (300dpi)
GIPHOTOSTOCK / SCIENCE PHOTO LIBRARY GIPHOTOSTOCK / SCIENCE PHOTO LIBRARY
Silver chromate precipitate. This series shows a progression as potassium chromate (K2CrO4) is added drop by drop to a test tube containing silver nitrate (AgNO3). Both solutions are 0.25 M concentration. Silver chromate (Ag2CrO4) precipitate (bright red) is formed as a result: K2CrO4 + AgNO3 -> Ag2CrO4 + KNO3. This is an example of a double displacement reaction.
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