# Henderson–Hasselbalch equation

> equation used to estimate the pH of a weak acid or base solution

**Wikidata**: [Q601818](https://www.wikidata.org/wiki/Q601818)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Henderson–Hasselbalch_equation)  
**Source**: https://4ort.xyz/entity/henderson-hasselbalch-equation


## References

1. Freebase Data Dumps. 2013
2. Quora