50.4 MB (2.8 MB compressed)
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29.0 x 43.7 cm ⏐ 11.4 x 17.2 in (300dpi)
GIPHOTOSTOCK / SCIENCE PHOTO LIBRARY GIPHOTOSTOCK / SCIENCE PHOTO LIBRARY
Nickel hydroxide precipitate, 2 of 3. Nickel hydroxide precipitate (Ni(OH)2) formed by adding 0.5 M solution of nickel sulphate to (NiSO4) to 0.25 M solution of potassium hydroxide (KOH). The reaction is NiSO4 + KOH -> Ni(OH)2 + K2SO4. This is an example of a double replacement reaction.
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