Given the Following Reactions: Fe + Br₂ → FeBr₂

question 99

Multiple Choice

Given the following reactions: Fe + Br₂ → FeBr₂
3 FeBr₂ + Br₂ → Fe₃Br₈
If each reaction is 82.0% efficient, what mass of Fe₃Br₈ is produced from 1.00 g Fe?

• A) 4.81 g
• B) 3.94 g
• C) 2.65 g
• D) 3.24 g
• E) 2.57 g

---

Definitions:

Base

A substance that can accept hydrogen ions (protons) or more generally, donate a pair of valence electrons; in water, it increases the concentration of hydroxide ions (OH-).

IR Spectroscopy

A technique in analytical chemistry used to identify and study chemicals through the interaction of infrared radiation with matter.

Trimethylamine

A nitrogen-containing organic compound with the formula N(CH3)3, known for its strong fishy odor and used in various industrial applications.

Mass Spectrum

A graph or chart that shows the distribution of mass-to-charge ratios of ions in a sample, which is used for determining the composition of the sample.