-- The density of the glass alone doesn't change.
-- The density of the water alone doesn't change.
-- The density of (the entire glass + everything IN IT) increases,
because the part that used to be air (with very low density) is
changed to water (with much higher density than the air had).
Answer is 2.19 g of radon will remain in the sample after 4 half-lives
Oh yeah I just got cheated lol lol lol lol
Answer: greater but no freaking clue How to figure it out
Explanation:
