Chemistry
Titration reaction
Determine the equivalence point of acid-base titration.
Mission
Determine the equivalence point of acid-base titration
Curriculum Alignment
| Standard | Syllabus code | Topic | Coverage | Grades | |
|---|---|---|---|---|---|
| NGSS | HS-PS1-11 | Investigate acid/base properties and behaviors — explicitly names titrations | Full | 9–12 | |
| British / IGCSE | CAIE 0620 Topic 7 (Acids, bases and salts) + Topic 12 (Experimental techniques — titration) | Acid-base titration; equivalence point | Full | 9–12 | |
| IB | DP Chemistry Reactivity 3.1 | Proton-transfer reactions — acid-base titration, pH curves | Full | 11–12 | |
| CBSE | CBSE Class 11 prescribed practical — strength of NaOH by titration against standard oxalic acid | Acid-base titration (equivalence point) | Full | 11–11 | Prescribed practical |
| AERO / AP | AP Unit 8 (Acids and Bases) | Acid-base titration | Full | 11–12 |
Variables
What you change
- Volume of base solution added
What you measure
- pH Value
What you keep constant
- The Temperature
- Acid solution volume
- Acid solution concentration
- Base solution concentration
What You'll Need
- Arduino Uno
- pH Sensor Electrode Probe BNC
- I2C LCD
Estimated Time
Virtual mode 14 minTest mode 20 minExercise mode 18 min
Mind-Blowing Fact
Warm bath.
There is a mine in California, Iron Mountain Superfund site, which is so acidic that it breaks the pH scale. There have been pH values measures as low as -3.6 pH, as well as metal concentrations off 200 g/liter and sulfate concentrations of 760 g/liter.
How You Can Run It
Virtual modeTest modeExercise modeView-only modeAccessibility modeTobii eye trackingVoice commandsAmericanBritishIB