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Can rust make something heavier?
For instance, If you have 2 identical tin cans, leave one out in the elements, and one in a dry indoor condition for 20 or more years, will the one that has been outdoor which has rust on it weigh more than the one kept indoors?
1 Answer
- Anonymous8 years agoFavorite Answer
When a metal oxidizes (rusts) it binds to oxygen. It will then get a little bit heavier because of the oxygen, but the rust wil eventually fall off and lighten the thing. I think yes, it will be a little heavier.
Source(s): personal assumption