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Does a hard boiled egg float at the same salt concentration as an uncooked one?
Answer 1:

It should be yes, unless air has been taken in or removed from the egg as a result of being cooked. The mass of the hardboiled egg should be the same, since no matter has left or entered the egg. The volume is the same. Therefore the density should be the same. Therefore the salt concentration to match the density should also be the same.



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