70.4 MB (4.3 MB compressed)
5700 x 4315 pixels
48.3 x 36.6 cm ⏐ 19.0 x 14.4 in (300dpi)
GIPHOTOSTOCK / SCIENCE PHOTO LIBRARY GIPHOTOSTOCK / SCIENCE PHOTO LIBRARY
Nickel carbonate precipitate. Test tube with nickel sulfate solution (left frame) has sodium carbonate solution added. Both solutions are 0.5 M concentration. As a result, nickel carbonate precipitate is formed (right frame): NiSO4 + Na2CO3 -> Na2SO4 + NiCO3. This is an example of a double displacement reaction.
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