B: Nitric Acid is the answer you are looking for.
Answer: 2.35 (no unit given)
Explanation:
We combine the two equations, like we would any mathematical system of equations. After addition of the two equations, we get:
Mg + 2H⁺(aq) + 2e⁻ → Mg⁺²(aq) + H₂(g) + 2e⁻
Cancelling like terms from both sides
Mg + 2H⁺(aq) → Mg⁺²(aq) + H₂(g)
I believe you should have attached the photo indicated in
the problem. Nevertheless this problem can still be solved without the photo.
When I think about a sulphide mineral and which forms a
cube shaped crystal, the answer to this question must be Pyrite.
Answer:
<span>Pyrite (FeS2)</span>
