The equation CaSO4 + KOH -> Ca(OH)2 + K2SO4

  1. Detailed information about the equation CaSO4 + KOH -> Ca(OH)2 + K2SO4
    The chemical equation above describes the reaction process between calcium sulfate (CaSO4) and potassium hydroxide (KOH) to form calcium hydroxide (Ca(OH)2) and potassium sulfate (K2SO4).

  2. Reaction conditions
    This is a double replacement reaction, usually occurring at room temperature and standard pressure. Moreover, there needs to be a sufficient amount of reactants to ensure the reaction is complete.

  3. Reaction process

    • Step 1: Calcium sulfate and potassium hydroxide react with each other to form calcium hydroxide and potassium sulfate.
    • Step 2: The result of this reaction is the hard replacement of potassium ions (K+) in KOH by calcium ions (Ca2+) from CaSO4.

  4. Phenomenon occurring
    When the reaction occurs, there will be a precipitation phenomenon due to the formation of calcium hydroxide. Calcium hydroxide is an insoluble solid substance and will appear as precipitation. Meanwhile, potassium sulfate will remain dissolved in the solution.

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