Containing or combined with twelve molecules of water; existing as a dodecahydrate.
From 'dodecahydrate' plus the suffix '-ed,' forming the adjective. This describes a chemical compound that has incorporated water in a 1:12 ratio.
A 'dodecahydrated' salt looks completely different from its anhydrous form—same chemical, but twelve water molecules fundamentally change its appearance, behavior, and stability.
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