Consider the following UNBALANCED re- action: 1. 4 2. 12 3. 11 ?Al,S3 + ?NACIO3 → ?Al(CIO3)3 + ?Na2S O 4. 8 5. 15 What is the sum of the coefficients in the balanced reaction?

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A: According to guidelines i can answer only 1st question

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Q: how many electrons are transferred when 27 g of iron react?

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