which substance would not be used for preparing a pure sample crystalline magnesium sulfate by reacting with dilute sufuric acid.(1) magnesium carbonate (2)megnesium hydroxide (3)megnesium nitrate(4) magnesium oxide
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magnesium hydroxide (obtained from sea water): ... magnesium carbonate (from the ore magnesite): ... In either case, the oxide is reacted with sulfuric acid to produce magnesium
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