Given the following equation: if 25.4g of Al2O3 is reacted with 10.2g of Fe, determine the...

4.3 Ratings (633 Votes)

answer; : limiting reagent Fe

Al2O3 Â Â +Â Â Fe -----------------------> Fe2O3 + 2 Al

102Â Â Â Â Â Â Â Â 55.84Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â 159.6Â Â Â Â Â Â Â Â Â 54

25.4 gÂ Â Â Â Â Â Â 10.2 g

102 g Al2O3 react with 55.84g Fe

25.4 g Al2O3 react with = 55.84 x 25.4/102

Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â = 13.9g Fe

actually for 25.4 g of Al2O3 react with 13.9g Fe. but we have Fe only 10.2g.

so the product amount formed decided by Fe amount.

hence limiting reagent : Fe

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