If you're seeing this message, it means we're having trouble loading external resources on our website.

If you're behind a web filter, please make sure that the domains *.kastatic.org and *.kasandbox.org are unblocked.

Main content

Law of conservation of mass

What happens to mass in a chemical reaction? Does it change or remain the same? Let's find out! Created by Vibhor Pandey.

Want to join the conversation?

No posts yet.

Video transcript