Acid Base Equilibrium
General Chemistry • 17 topics in this chapter.
This Acid–Base Equilibrium chapter in General Chemistry covers the chemistry of acids and bases in water, with interactive calculators and explanations for pH and pOH, Ka and Kb, strong vs weak acids and bases, conjugate acid–base pairs, and acid/base strength. It also connects equilibrium ideas to real solution behavior, helping you understand ionization, percent dissociation, and how concentration and strength affect pH.
On this page you can calculate pH from concentration (and concentration from pH), solve weak acid and weak base equilibrium problems using ICE tables, and work with polyprotic systems and salts when appropriate. Tools can also support buffer calculations using the Henderson–Hasselbalch relationship, common-ion effects, and titration-style checkpoints so you can see how equilibrium shifts during neutralization.
The difficulty level ranges from beginner pH practice to advanced equilibrium-based acid–base problem solving, making it ideal for high school, AP/IB Chemistry, and introductory college chemistry. Teachers can use it to demonstrate step-by-step pH reasoning, self-learners can build mastery through guided practice, and advanced users can quickly verify buffer, titration, and K-based calculations for labs, exams, and deeper equilibrium topics.
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1. pH and pOH
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2. Ionization of Acids and Bases in Water
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3. Percent Ionization as a Function of Initial Concentration
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4. Strong Acids and Strong Bases
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5. Weak Acids and Weak Bases
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6. Polyprotic Acids
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7. Hydrolysis
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8. Solutions of Weak Acids or Bases and Their Salts
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9. Partial Neutralization of Weak Acids or Bases
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10. pH Changes in Buffer Solutions
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11. Preparing a Buffer Solution
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12. Acid Base Indicators
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13. Titration of a Strong Acid with a Strong Base
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14. Titration of a Strong Base with a Strong Acid
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15. Titration of a Weak Acid with a Strong Base
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16. Titration of a Weak Base with a Strong Acid
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17. Titration of Polyprotic Acids
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