Given the Following Reactions

question 41

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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Zero-point Error

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