[O-2].[La+3:2].[O-2].[O-2].[La+3].[N+:6]([O-:9])([OH:8])=[O:7]>>[N+:6]([O-:9])([O-:8])=[O:7].[La+3:2].[N+:6]([O-:9])([O-:8])=[O:7].[N+:6]([O-:9])([O-:8])=[O:7]Lanthanum oxide (La2O3) 21.2 g (0.065 mole) was completely dissolved in an aqueous solution of nitric acid, heated and concentrated to form lanthanum nitrate.
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