Iron (II) and (III) precipitates

Iron (II) and (III) precipitates

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Caption: Iron precipitates. Precipitates of iron (II) hydroxide (left) and iron (III) hydroxide produced by the addition of sodium hydroxide. Precipitation occurs when an insoluble salt is formed by a reaction. In these cases, the iron hydroxides were produced by the addition of sodium hydroxide to iron (II) sulphate (left) and iron (III) chloride. In each case, a soluble sodium salt was formed (sodium sulphate and sodium chloride respectively) and the insoluble iron hydroxide came out of solution.

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Keywords: chemical, chemistry, experiment, glassware, iron (ii) hydroxide, iron (iii) hydroxide, laboratory, oxidation states, precipitate, precipitating, precipitation, reacting, reaction, solid, solution, state, test tube

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