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  • Aluminum Hydroxide Dissolution in Water: Products and Explanation
    The reaction between Al(OH)3 (aluminum hydroxide) and 3 H2O (water) is actually a dissolution reaction, not a chemical reaction that produces new products.

    Here's why:

    * Al(OH)3 is a solid compound that is slightly soluble in water.

    * H2O is the solvent.

    * When Al(OH)3 is added to water, some of it dissolves, forming hydrated aluminum ions [Al(H2O)6]³⁺ and hydroxide ions (OH⁻).

    Therefore, the products of the reaction are not new compounds, but rather the hydrated aluminum ions and hydroxide ions that are present in the solution.

    The chemical equation for the dissolution can be represented as:

    Al(OH)3(s) + 3 H2O(l) ⇌ [Al(H2O)6]³⁺(aq) + 3 OH⁻(aq)

    This equation shows that the reaction is an equilibrium reaction, meaning that the aluminum hydroxide can dissolve and reform. The extent of dissolution depends on the pH and temperature of the solution.

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