Okay I did the math and I'm guessing around 18*C
The reactants are aluminum and iron nitrate.
B KOH
I would say this is the base for the compound substance
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.