It is in the water. The answer would be A.
<span>Looking at the equation, 2 moles of FeO are produced from every 2 moles of CuFeS2. That means 8 moles of CuFeS2 will produce 8 moles of FeO (assuming there is sufficient oxygen, O2, in the reaction)</span>
B)
<span>
a subatomic particle with no electric charge, found in the nucleus of an atom </span>
Answer:
12.5
Explanation:
After three half-lives, one eighth (1/2 x 1/2 x 1/2) of the uranium-238 will remain. One-eighth equals 12.5%