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How would I approach this problem?0450g of Fe3O4 reacts with excess O2 to give Fe2O3 in25.0% yield according to the following balanced equation. 4Fe,04(s)+Og6Fe20,(s) 1st attempt Part 1 (1 pt) See Periodic Table Calculate the theoretical yield of Fe203 Part 2 (1 pt) ? See Hint Calculate the actual yield of Fe203. 9

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Answer #1

4Fe3O4 + O2 ----------> 6Fe2O3

according to balanced reaction

4 x 231.53 g Fe3O4 gives 6 x 159.69 g Fe2O3

0.450 g Fe3O4 gives 0.450 x 6 x 159.69 / 4 x 231.53 = 0.466 g Fe2O3

therotical yield = 0.466 g

2)   % yield = (actual yield / therotical yield) x 100

25.0 = (actual yield / 0.466) x 100

actual yield / 0.466 = 0.25

actual yield = 0.1165 g

actual yield = 0.1165 g

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