Answer:
2 and 4 if its more than one answerd and if not 2
Explanation:
brainleist would be nice
Its a compound because they come together
Answer:
6.2 g
Explanation:
In a first-order decay, the formula for the amount remaining after <em>n</em> half-lives is
where
<em>N</em>₀ and <em>N</em> are the initial and final amounts of the substance
1. Calculate the <em>number of half-lives</em>.
If
2. Calculate the <em>final mass</em> of the substance.
Carbonates
OPTION A is the correct answer