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2Â¥2016-06-15 16:29:27
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3Â¥2016-06-15 16:34:40
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On heating, iron(II) sulfate first loses its water of crystallization and the original green crystals are converted into a brown colored anhydrous solid. When further heated, the anhydrous material releases sulfur dioxide and white fumes of sulfur trioxide, leaving a reddish-brown iron(III) oxide. Decomposition of iron(II) sulfate begins at about 680 ¡ãC (1,256 ¡ãF). 2 FeSO4 ¡ú Fe2O3 + SO2 + SO3 |

4Â¥2016-06-15 16:43:31
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