4.2 Self-Ionization of Water and the Ion Product of Water (unfinished)
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Based on Pr. Laura Ingram's CHEM 125 Course.
Last updated 2:37 AM on 3/22/26
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4 Terms
1
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What is Kw? What is its name? What is its equation?
the equilibrium constant for the self-ionization of water
ion product of water
Kw = [H₃O⁺]eq[OH⁻]eq ~~ 1.0 × 10-14
![<h2 id="eda22ab2-b232-468b-8eea-003cedf16e75" data-toc-id="eda22ab2-b232-468b-8eea-003cedf16e75" collapsed="false" seolevelmigrated="true">the equilibrium constant for the self-ionization of water</h2><h3 id="8819065d-ec48-48dc-b421-d66e1825a7bb" data-toc-id="8819065d-ec48-48dc-b421-d66e1825a7bb" collapsed="false" seolevelmigrated="true">ion product of water</h3><h3 id="7ba89890-64a4-4f10-b93c-a0a367fcbe5b" data-toc-id="7ba89890-64a4-4f10-b93c-a0a367fcbe5b" collapsed="false" seolevelmigrated="true">K<sub>w</sub> = [H₃O⁺]<sub>eq</sub>[OH⁻]<sub>eq ~~ 1.0 × 10</sub><sup>-14</sup></h3><p></p>](https://assets.knowt.com/user-attachments/e4689d3b-a522-4d1e-85ae-82e42606c140.png)
2
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What is pKw’s equation?
-log₁₀(Kw)
3
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What is Kw’s equation?
10-pKw
4
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