Given the Following Reactions: Fe + Br₂ → FeBr₂

question 52

Multiple Choice

Given the following reactions: Fe + Br₂ → FeBr₂
3 FeBr₂ + Br₂ → Fe₃Br₈
If each reaction is 82.0% efficient, what mass of iron is necessary to make 8.45 g of Fe₃Br₈?

• A) 0.870 g
• B) 3.73 g
• C) 2.14 g
• D) 1.75 g
• E) 2.61 g

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