Acid-Base Titration Simulator
Add base drop by drop and watch the pH curve and indicator colour change.
pH0
Base added0 mL
Equivalence volume0 mL
Stage–
What you can learn
- The equivalence point is where moles of base added equal moles of acid.
- Strong acid with strong base has its equivalence point at pH 7.
- Weak acid with strong base has its equivalence point above pH 7 and a buffer region before it.
Frequently asked questions
What is the equivalence point?
The point in a titration where the amount of base added exactly neutralises the acid. It shows as the steepest part of the pH curve.
Which indicator should I use?
Choose an indicator whose colour change range includes the pH at the equivalence point. Phenolphthalein suits weak acid with strong base.