50.5 MB (3.4 MB compressed)
3420 x 5159 pixels
29.0 x 43.7 cm ⏐ 11.4 x 17.2 in (300dpi)
GIPHOTOSTOCK / SCIENCE PHOTO LIBRARY GIPHOTOSTOCK / SCIENCE PHOTO LIBRARY
Barium sulphate precipitate, 1 of 3. Barium sulphate (BaSO4) precipitate formed by adding barium chloride solution (BaCl2) to copper sulphate solution (CuSO4). Both solutions are 0.5 M concentration. The reaction is CuSO4 + BaCl2 -> BaSO4 + CuCl2. This is an example of a double replacement reaction.
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