Acid–Base Titration
by Anonymous
Add base drop by drop to an acid to locate the equivalence point, and see why the pH curve turns steep there and when methyl orange, BTB, and phenolphthalein change color.
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About this app
Acid–Base Titration is an interactive high school chemistry learning app for exploring the neutralization of hydrochloric acid (HCl) with sodium hydroxide (NaOH). Adjust the volume of NaOH added to see whether acid or excess base remains, locate the equivalence point, and observe the steep change in the pH curve. Compare methyl orange, BTB, and phenolphthalein to understand indicator color-change ranges and endpoints.
Use cases
- High school chemistry students learning neutralization titration
- Teachers demonstrating equivalence points and pH curves
- Learners reviewing acid–base concepts through guided missions
- Classroom activities comparing common acid–base indicators
Features
- Interactive NaOH volume controls for simulated titration
- Displays remaining H⁺ acid, excess OH⁻ base, or exact neutralization
- Plots pH against added NaOH volume and marks the current position
- Compares methyl orange, BTB, and phenolphthalein color-change ranges
- Guided missions covering acidic, equivalence-point, and basic conditions