Which of these equations correctly expresses the self-ionization of water?
O H₂O+H,OH₂O+ OH
O H₂O+H₂O
OH,O+H₂O
20H
2H,O
O H₂O+H₂OH,O+OH



Answer :

I would be happy to help with that. The correct equation that expresses the self-ionization of water is: H₂O + H₂O ⇌ H₃O⁺ + OH⁻ Here is a breakdown of the equation: 1. Two water molecules (H₂O) interact with each other. 2. One water molecule donates a proton (H⁺) to the other water molecule, forming a hydronium ion (H₃O⁺) and a hydroxide ion (OH⁻). 3. The reaction is reversible, indicating that the hydronium and hydroxide ions can also recombine to form water molecules. This equation represents the self-ionization of water, where water molecules act as both acids and bases, producing hydronium and hydroxide ions in the process.

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