GIPHOTOSTOCK / SCIENCE PHOTO LIBRARY GIPHOTOSTOCK / SCIENCE PHOTO LIBRARY
Silver chromate precipitate, 3 of 3. Silver chromate (Ag2CrO4) precipitate (bright red) formed by adding 0.25 M solution of silver nitrate (AgNO3) to 0.25 M solution of potassium chromate (K2CrO4). The reaction is K2CrO4 + AgNO3 -> Ag2CrO4 + KNO3. This is an example of a double replacement reaction.
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