# conservation of mass

> scientific law that a closed system's mass remains constant

**Wikidata**: [Q483948](https://www.wikidata.org/wiki/Q483948)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Conservation_of_mass)  
**Source**: https://4ort.xyz/entity/conservation-of-mass


## References

1. [Considerations Concerning the Fundaments of Theoretical Physics. Science. 1940](http://promo.aaas.org/kn_marketing/pdfs/Science_1940_0524.pdf)
2. Freebase Data Dumps. 2013
3. Quora
4. [OpenAlex](https://docs.openalex.org/download-snapshot/snapshot-data-format)