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  1. Copilot 答案
    Preparation and structure

    Barium hydroxide can be prepared by dissolving barium oxide (BaO) in water:
    BaO + H2O → Ba(OH)2
    It crystallises as the octahydrate, which converts to the monohydrate upon heating in air. At 100 °C i… 展开

    Uses

    Industrially, barium hydroxide is used as the precursor to other barium compounds. The monohydrate is used to dehydrate and remove sulfate from various products. This application exploits the very low solubility of barium sulfate. … 展开